diff --git a/osu-framework b/osu-framework
index c95b9350ed..887db793c7 160000
--- a/osu-framework
+++ b/osu-framework
@@ -1 +1 @@
-Subproject commit c95b9350edb6305cfefdf08f902f6f73d336736b
+Subproject commit 887db793c705b45071aea5e0c1cc931a7887165f
diff --git a/osu.Game/Beatmaps/WorkingBeatmap.cs b/osu.Game/Beatmaps/WorkingBeatmap.cs
index 959e71d48d..1d4ed75688 100644
--- a/osu.Game/Beatmaps/WorkingBeatmap.cs
+++ b/osu.Game/Beatmaps/WorkingBeatmap.cs
@@ -28,16 +28,11 @@ namespace osu.Game.Beatmaps
             Metadata = beatmapInfo.Metadata ?? BeatmapSetInfo?.Metadata ?? new BeatmapMetadata();
 
             Mods.ValueChanged += mods => applyRateAdjustments();
-        }
 
-        private void applyRateAdjustments()
-        {
-            var t = track;
-            if (t == null) return;
-
-            t.ResetSpeedAdjustments();
-            foreach (var mod in Mods.Value.OfType<IApplicableToClock>())
-                mod.ApplyToClock(t);
+            beatmap = new Lazy<Beatmap>(populateBeatmap);
+            background = new Lazy<Texture>(populateBackground);
+            track = new Lazy<Track>(populateTrack);
+            waveform = new Lazy<Waveform>(populateWaveform);
         }
 
         protected abstract Beatmap GetBeatmap();
@@ -45,98 +40,72 @@ namespace osu.Game.Beatmaps
         protected abstract Track GetTrack();
         protected virtual Waveform GetWaveform() => new Waveform();
 
-        private Beatmap beatmap;
-        private readonly object beatmapLock = new object();
-        public Beatmap Beatmap
+        public bool BeatmapLoaded => beatmap.IsValueCreated;
+        public Beatmap Beatmap => beatmap.Value;
+        private readonly Lazy<Beatmap> beatmap;
+
+        private Beatmap populateBeatmap()
         {
-            get
-            {
-                lock (beatmapLock)
-                {
-                    if (beatmap != null) return beatmap;
+            var b = GetBeatmap() ?? new Beatmap();
 
-                    beatmap = GetBeatmap() ?? new Beatmap();
+            // use the database-backed info.
+            b.BeatmapInfo = BeatmapInfo;
 
-                    // use the database-backed info.
-                    beatmap.BeatmapInfo = BeatmapInfo;
-
-                    return beatmap;
-                }
-            }
+            return b;
         }
 
-        private readonly object backgroundLock = new object();
-        private Texture background;
-        public Texture Background
+        public bool BackgroundLoaded => background.IsValueCreated;
+        public Texture Background => background.Value;
+        private Lazy<Texture> background;
+
+        private Texture populateBackground() => GetBackground();
+
+        public bool TrackLoaded => track.IsValueCreated;
+        public Track Track => track.Value;
+        private Lazy<Track> track;
+
+        private Track populateTrack()
         {
-            get
-            {
-                lock (backgroundLock)
-                {
-                    return background ?? (background = GetBackground());
-                }
-            }
+            // we want to ensure that we always have a track, even if it's a fake one.
+            var t = GetTrack() ?? new TrackVirtual();
+            applyRateAdjustments(t);
+            return t;
         }
 
-        private Track track;
-        private readonly object trackLock = new object();
-        public Track Track
-        {
-            get
-            {
-                lock (trackLock)
-                {
-                    if (track != null) return track;
+        public bool WaveformLoaded => waveform.IsValueCreated;
+        public Waveform Waveform => waveform.Value;
+        private readonly Lazy<Waveform> waveform;
 
-                    // we want to ensure that we always have a track, even if it's a fake one.
-                    track = GetTrack() ?? new TrackVirtual();
-
-                    applyRateAdjustments();
-                    return track;
-                }
-            }
-        }
-
-        private Waveform waveform;
-        private readonly object waveformLock = new object();
-        public Waveform Waveform
-        {
-            get
-            {
-                lock (waveformLock)
-                    return waveform ?? (waveform = GetWaveform());
-            }
-        }
-
-        public bool TrackLoaded => track != null;
+        private Waveform populateWaveform() => GetWaveform();
 
         public void TransferTo(WorkingBeatmap other)
         {
-            lock (trackLock)
-            {
-                if (track != null && BeatmapInfo.AudioEquals(other.BeatmapInfo))
-                    other.track = track;
-            }
+            if (track.IsValueCreated && Track != null && BeatmapInfo.AudioEquals(other.BeatmapInfo))
+                other.track = track;
 
-            if (background != null && BeatmapInfo.BackgroundEquals(other.BeatmapInfo))
+            if (background.IsValueCreated && Background != null && BeatmapInfo.BackgroundEquals(other.BeatmapInfo))
                 other.background = background;
         }
 
         public virtual void Dispose()
         {
-            background?.Dispose();
-            background = null;
-
-            waveform?.Dispose();
+            if (BackgroundLoaded) Background?.Dispose();
+            if (WaveformLoaded) Waveform?.Dispose();
         }
 
         public void DisposeTrack()
         {
-            lock (trackLock)
-            {
-                track?.Dispose();
-                track = null;
-            }
+            if (TrackLoaded) Track?.Dispose();
+        }
+
+        private void applyRateAdjustments(Track t = null)
+        {
+            if (t == null && track.IsValueCreated) t = Track;
+            if (t == null) return;
+
+            t.ResetSpeedAdjustments();
+            foreach (var mod in Mods.Value.OfType<IApplicableToClock>())
+                mod.ApplyToClock(t);
         }
     }
 }
diff --git a/osu.Game/Graphics/Containers/BeatSyncedContainer.cs b/osu.Game/Graphics/Containers/BeatSyncedContainer.cs
index 123ef0662d..fb85af12cb 100644
--- a/osu.Game/Graphics/Containers/BeatSyncedContainer.cs
+++ b/osu.Game/Graphics/Containers/BeatSyncedContainer.cs
@@ -35,9 +35,12 @@ namespace osu.Game.Graphics.Containers
 
         protected override void Update()
         {
-            var track = Beatmap.Value.Track;
+            if (!Beatmap.Value.TrackLoaded || !Beatmap.Value.BeatmapLoaded) return;
 
-            if (track == null)
+            var track = Beatmap.Value.Track;
+            var beatmap = Beatmap.Value.Beatmap;
+
+            if (track == null || beatmap == null)
                 return;
 
             double currentTrackTime = track.Length > 0 ? track.CurrentTime + EarlyActivationMilliseconds : Clock.CurrentTime;
diff --git a/osu.Game/Graphics/Containers/OsuScrollContainer.cs b/osu.Game/Graphics/Containers/OsuScrollContainer.cs
index e395f1b7bd..3fc9f439fa 100644
--- a/osu.Game/Graphics/Containers/OsuScrollContainer.cs
+++ b/osu.Game/Graphics/Containers/OsuScrollContainer.cs
@@ -7,7 +7,7 @@ using OpenTK.Input;
 
 namespace osu.Game.Graphics.Containers
 {
-    internal class OsuScrollContainer : ScrollContainer
+    public class OsuScrollContainer : ScrollContainer
     {
         /// <summary>
         /// Allows controlling the scroll bar from any position in the container using the right mouse button.
diff --git a/osu.Game/Screens/Select/Leaderboards/Leaderboard.cs b/osu.Game/Screens/Select/Leaderboards/Leaderboard.cs
index 7d65b8b648..4b1070f236 100644
--- a/osu.Game/Screens/Select/Leaderboards/Leaderboard.cs
+++ b/osu.Game/Screens/Select/Leaderboards/Leaderboard.cs
@@ -17,19 +17,21 @@ using osu.Game.Graphics.UserInterface;
 using osu.Game.Rulesets.Scoring;
 using osu.Game.Online.API;
 using osu.Game.Online.API.Requests;
+using System.Linq;
 
 namespace osu.Game.Screens.Select.Leaderboards
 {
     public class Leaderboard : Container
     {
         private readonly ScrollContainer scrollContainer;
-        private readonly FillFlowContainer<LeaderboardScore> scrollFlow;
+        private FillFlowContainer<LeaderboardScore> scrollFlow;
 
         public Action<Score> ScoreSelected;
 
         private readonly LoadingAnimation loading;
 
         private IEnumerable<Score> scores;
+
         public IEnumerable<Score> Scores
         {
             get { return scores; }
@@ -41,33 +43,43 @@ namespace osu.Game.Screens.Select.Leaderboards
                 int i = 150;
                 if (scores == null)
                 {
-                    foreach (var c in scrollFlow.Children)
-                        c.FadeOut(i += 10);
+                    if (scrollFlow != null)
+                    {
+                        foreach (var c in scrollFlow.Children)
+                            c.FadeOut(i += 10);
 
-                    foreach (var c in scrollFlow.Children)
-                        c.LifetimeEnd = Time.Current + i;
+                        foreach (var c in scrollFlow.Children)
+                            c.LifetimeEnd = Time.Current + i;
+                    }
 
                     return;
                 }
 
-                scrollFlow.Clear();
-
-                i = 0;
-                foreach (var s in scores)
+                // schedule because we may not be loaded yet (LoadComponentAsync complains).
+                Schedule(() =>
                 {
-                    var ls = new LeaderboardScore(s, 1 + i)
+                    LoadComponentAsync(new FillFlowContainer<LeaderboardScore>
                     {
-                        AlwaysPresent = true,
-                        Action = () => ScoreSelected?.Invoke(s),
-                        State = Visibility.Hidden,
-                    };
-                    scrollFlow.Add(ls);
+                        RelativeSizeAxes = Axes.X,
+                        AutoSizeAxes = Axes.Y,
+                        Spacing = new Vector2(0f, 5f),
+                        Padding = new MarginPadding { Top = 10, Bottom = 5 },
+                        ChildrenEnumerable = scores.Select(s => new LeaderboardScore(s, 1 + i) { Action = () => ScoreSelected?.Invoke(s) })
+                    }, f =>
+                    {
+                        scrollFlow?.Expire();
+                        scrollContainer.Add(scrollFlow = f);
 
-                    using (BeginDelayedSequence(i++ * 50, true))
-                        ls.Show();
-                }
+                        i = 0;
+                        foreach (var s in f.Children)
+                        {
+                            using (s.BeginDelayedSequence(i++ * 50, true))
+                                s.Show();
+                        }
 
-                scrollContainer.ScrollTo(0f, false);
+                        scrollContainer.ScrollTo(0f, false);
+                    });
+                });
             }
         }
 
@@ -79,16 +91,6 @@ namespace osu.Game.Screens.Select.Leaderboards
                 {
                     RelativeSizeAxes = Axes.Both,
                     ScrollbarVisible = false,
-                    Children = new Drawable[]
-                    {
-                        scrollFlow = new FillFlowContainer<LeaderboardScore>
-                        {
-                            RelativeSizeAxes = Axes.X,
-                            AutoSizeAxes = Axes.Y,
-                            Spacing = new Vector2(0f, 5f),
-                            Padding = new MarginPadding { Top = 10, Bottom = 5 },
-                        },
-                    },
                 },
                 loading = new LoadingAnimation()
             };
@@ -152,6 +154,8 @@ namespace osu.Game.Screens.Select.Leaderboards
             if (!scrollContainer.IsScrolledToEnd())
                 fadeStart -= LeaderboardScore.HEIGHT;
 
+            if (scrollFlow == null) return;
+
             foreach (var c in scrollFlow.Children)
             {
                 var topY = c.ToSpaceOfOtherDrawable(Vector2.Zero, scrollFlow).Y;
diff --git a/osu.Game/Screens/Select/Leaderboards/LeaderboardScore.cs b/osu.Game/Screens/Select/Leaderboards/LeaderboardScore.cs
index 9044938a75..e9de3fb672 100644
--- a/osu.Game/Screens/Select/Leaderboards/LeaderboardScore.cs
+++ b/osu.Game/Screens/Select/Leaderboards/LeaderboardScore.cs
@@ -2,9 +2,10 @@
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
 using System;
+using System.Linq;
 using OpenTK;
 using OpenTK.Graphics;
-using osu.Framework;
+using osu.Framework.Allocation;
 using osu.Framework.Extensions.Color4Extensions;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
@@ -13,14 +14,13 @@ using osu.Framework.Input;
 using osu.Game.Graphics;
 using osu.Game.Graphics.Containers;
 using osu.Game.Graphics.Sprites;
-using osu.Game.Rulesets.Mods;
 using osu.Game.Rulesets.Scoring;
 using osu.Game.Rulesets.UI;
 using osu.Game.Users;
 
 namespace osu.Game.Screens.Select.Leaderboards
 {
-    public class LeaderboardScore : OsuClickableContainer, IStateful<Visibility>
+    public class LeaderboardScore : OsuClickableContainer
     {
         public static readonly float HEIGHT = 60;
 
@@ -34,72 +34,16 @@ namespace osu.Game.Screens.Select.Leaderboards
         private const float background_alpha = 0.25f;
         private const float rank_width = 30;
 
-        private readonly Box background;
-        private readonly Container content;
-        private readonly Container avatar;
-        private readonly DrawableRank scoreRank;
-        private readonly OsuSpriteText nameLabel;
-        private readonly GlowingSpriteText scoreLabel;
-        private readonly ScoreComponentLabel maxCombo;
-        private readonly ScoreComponentLabel accuracy;
-        private readonly Container flagBadgeContainer;
-        private readonly FillFlowContainer<ModIcon> modsContainer;
-
-        private Visibility state;
-
-        public Visibility State
-        {
-            get { return state; }
-            set
-            {
-                if (state == value)
-                    return;
-                state = value;
-
-                switch (state)
-                {
-                    case Visibility.Hidden:
-                        foreach (var d in new Drawable[] { avatar, nameLabel, scoreLabel, scoreRank, flagBadgeContainer, maxCombo, accuracy, modsContainer })
-                            d.FadeOut();
-
-                        Alpha = 0;
-
-                        content.MoveToY(75);
-                        avatar.MoveToX(75);
-                        nameLabel.MoveToX(150);
-                        break;
-                    case Visibility.Visible:
-                        this.FadeIn(200);
-                        content.MoveToY(0, 800, Easing.OutQuint);
-
-                        using (BeginDelayedSequence(100, true))
-                        {
-                            avatar.FadeIn(300, Easing.OutQuint);
-                            nameLabel.FadeIn(350, Easing.OutQuint);
-
-                            avatar.MoveToX(0, 300, Easing.OutQuint);
-                            nameLabel.MoveToX(0, 350, Easing.OutQuint);
-
-                            using (BeginDelayedSequence(250, true))
-                            {
-                                scoreLabel.FadeIn(200);
-                                scoreRank.FadeIn(200);
-
-                                using (BeginDelayedSequence(50, true))
-                                {
-                                    var drawables = new Drawable[] { flagBadgeContainer, maxCombo, accuracy, modsContainer, };
-                                    for (int i = 0; i < drawables.Length; i++)
-                                        drawables[i].FadeIn(100 + i * 50);
-                                }
-                            }
-                        }
-
-                        break;
-                }
-
-                StateChanged?.Invoke(State);
-            }
-        }
+        private Box background;
+        private Container content;
+        private Container avatar;
+        private DrawableRank scoreRank;
+        private OsuSpriteText nameLabel;
+        private GlowingSpriteText scoreLabel;
+        private ScoreComponentLabel maxCombo;
+        private ScoreComponentLabel accuracy;
+        private Container flagBadgeContainer;
+        private FillFlowContainer<ModIcon> modsContainer;
 
         public LeaderboardScore(Score score, int rank)
         {
@@ -108,7 +52,11 @@ namespace osu.Game.Screens.Select.Leaderboards
 
             RelativeSizeAxes = Axes.X;
             Height = HEIGHT;
+        }
 
+        [BackgroundDependencyLoader]
+        private void load()
+        {
             Children = new Drawable[]
             {
                 new Container
@@ -255,23 +203,51 @@ namespace osu.Game.Screens.Select.Leaderboards
                                     Origin = Anchor.BottomRight,
                                     AutoSizeAxes = Axes.Both,
                                     Direction = FillDirection.Horizontal,
+                                    ChildrenEnumerable = Score.Mods.Select(mod => new ModIcon(mod) { Scale = new Vector2(0.375f) })
                                 },
                             },
                         },
                     },
                 },
             };
-
-            foreach (Mod mod in Score.Mods)
-            {
-                modsContainer.Add(new ModIcon(mod) { Scale = new Vector2(0.375f) });
-            }
         }
 
-        public void ToggleVisibility() => State = State == Visibility.Visible ? Visibility.Hidden : Visibility.Visible;
+        public override void Show()
+        {
+            foreach (var d in new Drawable[] { avatar, nameLabel, scoreLabel, scoreRank, flagBadgeContainer, maxCombo, accuracy, modsContainer })
+                d.FadeOut();
 
-        public override void Hide() => State = Visibility.Hidden;
-        public override void Show() => State = Visibility.Visible;
+            Alpha = 0;
+
+            content.MoveToY(75);
+            avatar.MoveToX(75);
+            nameLabel.MoveToX(150);
+
+            this.FadeIn(200);
+            content.MoveToY(0, 800, Easing.OutQuint);
+
+            using (BeginDelayedSequence(100, true))
+            {
+                avatar.FadeIn(300, Easing.OutQuint);
+                nameLabel.FadeIn(350, Easing.OutQuint);
+
+                avatar.MoveToX(0, 300, Easing.OutQuint);
+                nameLabel.MoveToX(0, 350, Easing.OutQuint);
+
+                using (BeginDelayedSequence(250, true))
+                {
+                    scoreLabel.FadeIn(200);
+                    scoreRank.FadeIn(200);
+
+                    using (BeginDelayedSequence(50, true))
+                    {
+                        var drawables = new Drawable[] { flagBadgeContainer, maxCombo, accuracy, modsContainer, };
+                        for (int i = 0; i < drawables.Length; i++)
+                            drawables[i].FadeIn(100 + i * 50);
+                    }
+                }
+            }
+        }
 
         protected override bool OnHover(InputState state)
         {