A music group I'm in is thinking of playing a bit of jazz ( foreign territory to us). The music has C, B and D as
C (sharp))0 7
D ( sharp) 0 7.
B 0 The 0 is printed small. We're ok with the sharps and the 7's. but what does the 0 mean, and how would it be played on a guitar and a ukulele, please?