public Song(Music.Key key, int[] pitches, double[] durations)
: this(key, pitches.Select(p => Music.Pitch.OfInt(p)).ToList(),
durations.Select(d => Music.Duration.OfDouble(d)).ToList())
{
}
public Song(Music.Key key, List <Music.Pitch> pitches, List <Music.Duration> durations)
{
Key = key;
Pitches = pitches;
Durations = durations;
}