Saturday, November 1

Electric music fans, your destination tonight is Empire (575 Congress St., Portland), where local punks Volcano Rabbit headline the “Halloween Hangover Ball,” with Bangor power-punk-pop duo When Particles Collide and two really good Boston indie-rock bands, Aloud and Goddamn Draculas at 9:30 p.m. Tix: $8 (21+). 747-5063. portlandempire.com. Acoustic music fans, continue on a few blocks to Merrill Auditorium (20 Myrtle St.), where master banjoists Béla Fleck and Abigail Washburn pick and grin at each other after the legendary Del McCoury Band warms up the room at 8 p.m. Tix: $45-$65. 842-0800. portlandovations.org.