The Blues Prophets.

Sunday, November 12

Two veteran Maine blues groups share the stage at St. Lawrence Arts (76 Congress St., Portland) at 7 p.m.: The Blues Prophets deliver Chicago-style stompers and The Old Blues Kats play an acoustic mix of Delta, Louisiana, Texas, and ragtime tunes. Tix: $15-$18 (all ages). 347-7177. stlawrencearts.org.