Violin. I was always pretty rubbish at it and gave up having lessons at about 16. BUT - I earned what was then (to me) a pile of money playing it in a folk-dance band long before I earned a penny from playing the piano (which is now my main source of income).Most orchestras I've ever encountered seem to have trouble filling the following seats:BassoonViolaDouble bassand are vastly over-subscribed forFluteClarinetTrumpet
I have tried the guitar lately and it isn't easy! Tried couple chords... holding down the strings is hard especially if you don't have large hands. I certainly admire guitarists of their skills.