Mikayla Braun is beaming.

It is not because her band, local funk-pop group the Crooked Vines, is playing to a large and enthralled crowd at Tipitina’s (which they are). Nor is it because the singer/keyboardist clearly has the audience on a string, captivating them with her smoky, soulful voice (she does). No, she is watching her bandmates with genuine pride as keyboardist/saxophonist Stephen Schwartz, saxophonist Lori LaPatka, trombonis...