# data[].attributes.headline
Play the melody with the left hand (for a piece played on a piano)

# data[].attributes.subject
Play the melody with the left hand (for a piece played on a piano)

# data[].attributes.body
retrograde, inversion

# data[].attributes.headline
Change chords from blocks into arpeggios 

# data[].attributes.subject
Change chords from blocks into arpeggios 

# data[].attributes.headline
Add more nuanced dynamics (accents, crescendos, decrescendos)

# data[].attributes.subject
Add more nuanced dynamics (accents, crescendos, decrescendos)