Advance Base.

Friday, September 28

The endearingly sad-sack indie-synth troubadour Advance Base plays The Apohadion Theater (107 Hanover St., Portland) with enchanting Chicago singer-songwriter Gia Margaret opening at 8 p.m. Tix: $8-$10 (all ages). 831-9569. theapohadiontheater.com. And at Geno’s (625 Congress St., Portland), the mind-melting post-metal trio Confusatron reforms to headline a show with noise-metal band Willzyx and Portland cello-and-drum duo Quad at 8:30 p.m. Tix: $8 (21+). 221-2382.