The P.A.’s, a Lowell-based dungeon psych band, headlines tonight’s live music at Deep Cuts. Also performing will be The Macks, touring from Portland, Oregon, and Ace McGuire’s Acid Tabs, a surfadelic psych rock foursome from Boston. Doors open at 7 p.m. with music at 8. Tickets are $12 in advance, $15 day of show through Dice.