Musical Instrument Repairers and Tuners are 91% "You are doomed". Off-the-shelf instruments are notoriously badly set up, and that'd probably be the kind of "good enough" level that robots could get to. For anything more organic you'd need a human luthier or whatever. After all a human is going to play the instrument, not a robot, given musicians themselves are at a 4% "totally safe" level.

Barbers are at 80%. The amount of R&D that would be needed couldn't be justified by the low waged worker the robot would replace ($24k avg apparently). There's just so much hidden complexity with all these fine-motor skill jobs. It reminds me of those old physics problems "assuming a perfectly spherical head...". Nice idea, but in practice the incentives to create a robot barber just aren't there.