AddStep("change signature to quadruple",()=>Beatmap.Value.Beatmap.ControlPointInfo.TimingPoints.ForEach(p=>p.TimeSignature=TimeSignature.SimpleQuadruple));
AddStep("change signature to triple",()=>Beatmap.Value.Beatmap.ControlPointInfo.TimingPoints.ForEach(p=>p.TimeSignature=TimeSignature.SimpleTriple));