UNTZ is Dead reimagines the music of the Grateful Dead through high-energy live electronic dance music, and this two-night run features Allen Aucoin, former drummer of the Disco Biscuits. Psychedelic improvisation, driving grooves and familiar Dead classics. Doors 8 pm, music 9 pm. $20 cover; $35 two-day pass (Eventbrite). Saturday also features a “DrFameus” electronic set.