Can someone tell me how to be a singer in a bar?

build ur repertoire, go ard clarke quay, see any acoustic bands, go up to them when they have a break n ask if can jam, then after that, do they have any slots for singers coz ur interested. be humble, be nice, be patient. but most of all be good in ur craft.
contacts is most important in this scene. so just go ahead n talk n ask n make frens.

good luck