Music Theory
Notes
compute the frequency and other properties of a musical note
F#
specify the octave
note c5
calculate the note corresponding to a given frequency
640 Hz
analyze a sequence of notes
A A# B
specify notes using MIDI codes
MIDI notes 69 70 71
pitch set class midi 61 62 64 68 69 70
find the Parsons code of a note sequence
parsons code a a# b c c# d e
Intervals
identify an interval
C, Eb
major seventh
7 semitones
identify several intervals
intervals C3 Eb3 Bb3 D4 G4
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
Key Signatures
get information about a key signature
key of D
key of Aflat minor
compare key signatures
key of A major Bflat minor
get specific information about a key
How many sharps in the key of G major?
flats in the key of Bflat
circle of fifths A major
relative minor to G major
keys related to Csharp major
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 an instrument
clarinet
find properties of an instrument