You could always try turning the instrument upside down two three times ( water should then find an escape route), works on all...
After a while a tarnish(?) line appears too.
Has anyone experienced a band tune-up where a player sounds out of tune, but the MD using a tuner declares '"that's spot on that"?
I use both.. electronic at home to get the instrument in the right ball park. Then by ear at rehersals
Ps. Voted never - but mean that to say... it's a source of information sometimes, but it's not the boss of me
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