Rabab Tuner

Built for the rabab: tune it, hum a song to notes, learn the scales

Rabab Tuner is built for the Afghan rabab, not adapted from a guitar app. It knows the instrument has three melody strings — Katay, Bam and Zer — two or three drone strings (Shahtar), and eleven to fifteen sympathetic strings (Bachi) that nobody else bothers to tune. Build your own rabab once and the picture on screen becomes yours: the headstock redraws for five or six pegs, the side pegboard for your Bachi count, …