pianoroll.js

Edit an ABC score on a grid. No dependencies, no build step, nothing downloaded.

Lyrics

[Verse] Every night I hear the rain Falling on an empty train

Press Fit melody to the lyrics and the vocal line is reshaped so that the number of notes matches the number of syllables — surplus notes merge, long ones split, and the contour survives.

ABC — this is the score, kept in sync

Parsing and rebuilding is lossless: PR.build(PR.parse(abc)) round-trips real model output without dropping ties, accidentals or chord marks.