public bool DecreaseScale()
{
var newScale = ScaleHelper.Decrease(Scale);
bool isSuccess = Scale != newScale;
if (isSuccess)
{
Scale = newScale;
}
return(isSuccess);
}
public bool DecreasePitch()
{
bool isSuccess = false;
if (Pitch != Pitches.C)
{
Pitch = DecreasePitch(Pitch);
isSuccess = true;
}
else if (Scale != Scales.Four)
{
Pitch = Pitches.B;
Scale = ScaleHelper.Decrease(Scale);
isSuccess = true;
}
return(isSuccess);
}
