Untitled

from music21 import stream, instrument, note, chord, meter, tempo

# Create a stream to hold the score
score = stream.Score()

# Add instruments to the parts
alto_sax_part = stream.Part()
alto_sax_part.insert(0, instrument.AltoSaxophone())
alto_sax_part.insert(0, meter.TimeSignature('4/4'))

tenor_sax_part = stream.Part()
tenor_sax_part.insert(0, instrument.TenorSaxophone())
tenor_sax_part.insert(0, meter.TimeSignature('4/4'))

violin_part = stream.Part()
violin_part.insert(0, instrument.Violin())
violin_part.insert(0, meter.TimeSignature('4/4'))

viola_part = stream.Part()
viola_part.insert(0, instrument.Viola())
viola_part.insert(0, meter.TimeSignature('4/4'))

trombone_part = stream.Part()
trombone_part.insert(0, instrument.Trombone())
trombone_part.insert(0, meter.TimeSignature('4/4'))

horn_part = stream.Part()
horn_part.insert(0, instrument.FrenchHorn())
horn_part.insert(0, meter.TimeSignature('4/4'))

piano_part = stream.Part()
piano_part.insert(0, instrument.Piano())
piano_part.insert(0, meter.TimeSignature('4/4'))

percussion_part = stream.Part()
percussion_part.insert(0, instrument.Percussion())
percussion_part.insert(0, meter.TimeSignature('4/4'))

# Add a tempo mark
score.insert(0, tempo.MetronomeMark(number=80))

# Write a short phrase for each instrument (8 measures of simple melodic content)
melody = [note.G4, note.A4, note.B4, note.C5, note.D5, note.E5, note.F5, note.G5]

# Add notes to alto sax
alto_sax_part.append([note.Note(p, quarterLength=1) for p in melody])

# Add notes to tenor sax
tenor_sax_part.append([note.Note(p.transpose(-12), quarterLength=1) for p in melody])

# Add notes to violin
violin_part.append([note.Note(p, quarterLength=1) for p in melody])

# Add notes to viola (lower octave)
viola_part.append([note.Note(p.transpose(-12), quarterLength=1) for p in melody])

# Add notes to trombone
trombone_part.append([note.Note(p.transpose(-19), quarterLength=1) for p in melody])

# Add notes to French horn
horn_part.append([note.Note(p.transpose(-7), quarterLength=1) for p in melody])

# Add some simple chords for piano
piano_chords = [chord.Chord([n, n+4, n+7], quarterLength=1) for n in [60, 62, 64, 65, 67, 69, 71, 72]]
piano_part.append(piano_chords)

# Add percussion (snare drum)
percussion_part.append([note.Rest(quarterLength=2), note.Note('C4', quarterLength=1), note.Rest(quarterLength=1)] * 4)

# Add all parts to the score
score.append([alto_sax_part, tenor_sax_part, violin_part, viola_part, trombone_part, horn_part, piano_part, percussion_part])

# Show the score as a musicXML file (which can be opened in Finale, Sibelius, Musescore, etc.)
score.show('musicxml')