The frequency ratio between adjacent semitones.
Maps accidental symbols (♭, ♯, etc.) to their corresponding semitone adjustments.
The base frequency (A4 = 440Hz).
The lowest semitone difference from the base frequency (A4 = 440Hz).
The available octaves.
Maps pitch name (English naming system: C, D, E, etc.) to semitones.
The number of semitones in an octave.
Extend a musical note by a series of intervals.
Converts a number of semitones from the base tone (A4 = 440Hz) to its corresponding frequency in Hz.
Calculates the tempo information for a piece of music.
Built-in music utilities