9 Services from music-production-calc.x402tookit.com

Calculates note duration values (1/1 to 1/32, straight/dotted/triplet) at a given BPM in milliseconds, LFO Hz, audio samples, and MIDI ticks.

Calculates mean and median BPM from a sequence of tap timestamps in milliseconds, plus interval spread and jitter statistics.

Calculates song length in seconds and M:SS from bars, BPM, and time signature, and optionally computes the bars needed or BPM required to hit a target duration.

Converts semitones, cents, speed percent, two frequencies, or two BPMs into a unified varispeed ratio with all pitch/speed equivalents.

Shifts a musical key by a given number of semitones, returning the correctly spelled destination key, its mode, relative key, key signature, and capo chord shapes.

Returns the note name, MIDI number, and frequency in Hz for any fret position on guitar, bass, ukulele, or violin strings, with support for alternate tunings.

Returns all 7 diatonic triads and 7th chords for a given key (major, natural minor, or harmonic minor) with spelled notes, Roman numerals, and chord qualities.

Calculates dB lost per repeat, number of repeats to fall a target dB, and total tail time in milliseconds from a delay time and feedback percentage.

Returns the Camelot wheel code for a musical key and its harmonically compatible keys, with optional two-key compatibility testing.