Freewheeling hip-hoppers, avant indie-rockers, horny liberal art philosophers — call them what you wish, Yoni Wolf and his crew have never created a boring song, as their new folk-driven record, Eskimo Snow , proves yet again. Tonight they're supported by Flexible Music and Owen Weaver (who'll be performing "1+1" by Philip Glass) in continuation of the Wordless Music Series' pursuit to mix-and-match different genres within the same bill.