This page does not have tutorials because a good tutorial has all the trouble-shooting you might need, and I haven't got the patience to type all that in. I'd rather meet you on zoom, where you can show me the problem and I can hear it. Send me an email if you'd like to meet.
How to use an electronic tuner
Musical scales, for non-musicians
Holes and fingering for a reed with no keys
Tuning tines (e.g. for a kalimba)
Tuning bars for a xylophone (including marimbas)
Placing and tuning holes for a woodwind
Tuning Helmholtz resonators for a marimba