Music
Notes
compute the frequency and other properties of a musical note
F#
calculate the note corresponding to a given frequency
640 Hz
Intervals
identify an interval
C, Eb
major seventh
7 semitones
Chords
get information about a chord
C major 7th chord
E augmented
specify a chord using lead sheet notation
Dbmin6
identify a chord from constituent notes
F# A C D
Scales
get information about a scale
A minor scale
E blues phrygian
raga gandharavam
generate sound with a specified waveform
play 440Hz sine wave
superimpose multiple waveforms
play 440Hz tone + 444Hz tone
get information about a song
Ain't No Sunshine
request specific information about a song
Who wrote Stairway to Heaven?