Help guitarists and string players with PyTheory — chord fingerings and shapes, ASCII tablature, chord identification, scale diagrams, SVG/PNG diagram images, alternate tunings and capo, Nashville number charts, and a real-time strobe tuner. Use whenever the…
Build, voice, and analyze individual chords with PyTheory. Use when the user asks about a single chord — its notes/intervals, inversions or drop-2/drop-3/ open voicings, the tritone substitution, what extensions it can take, how tense or dissonant it is, its…
Analyze and generate keys and chord progressions with PyTheory. Use when the user asks what key some notes are in, the diatonic chords of a key, a Roman- numeral analysis of a progression, what chord comes next, secondary dominants, borrowed chords, chords…
Explore scales, modes, tones, and tuning systems with PyTheory. Use when the user asks about a scale or mode (notes of D dorian, harmonize a scale), which scale to solo with over some notes, intervals between notes, the overtone series, the circle of fifths,…
Compose music with PyTheory — chord progressions, melodies, basslines, drum grooves, and full multi-part arrangements written in pure Python and rendered to audio or MIDI. Use whenever the user wants to write, sketch, generate, or arrange music — "write me a…
Transcribe audio and convert between music formats with PyTheory. Use when the user wants to turn a recording (WAV/hum/melody) into notes or MIDI, identify the chord in an audio clip, import a MIDI file, or export a score/melody to MIDI, sheet music…