Sweat is enormously varied in composition. Some guitarists can corrode a brand new set of strings in a matter of hours, while others can play for weeks on the s

Sweat is enormously varied in composition. Some guitarists can corrode a brand new set of strings in a matter of hours, while others can play for weeks on the same set. Some people have sweat that's acidic enough to turn a silver flute black or strip the lacquer from a violin.