key | Music.Prelude.StringQuartet, Music.Prelude.Piano, Music.Prelude.Standard, Music.Prelude.Basic |
KeySignature | Music.Prelude.StringQuartet, Music.Prelude.Piano, Music.Prelude.Standard, Music.Prelude.Basic |
keySignature | Music.Prelude.StringQuartet, Music.Prelude.Piano, Music.Prelude.Standard, Music.Prelude.Basic |
keySignatureDuring | Music.Prelude.StringQuartet, Music.Prelude.Piano, Music.Prelude.Standard, Music.Prelude.Basic |