Blues duo Holly and Evan headline Putnam Den tonight (Thursday, 8 PM, free, 584-8066). . . . The unpronounceable DrFameus headlines Red Square tonight as part of the Bella Terra festival’s Pre-Party Concert Series (8 PM, 465-0444). . . . The new emo cirque du soleil troupe Circa Survive bring post-hardcore contortionism to the Upstate Concert Hall on Saturday (8 PM, $22, 371-0012). . . . Filipino grunge singer Otan Vargas returns to Club Helsinki on Saturday (7 PM, $18, 828-4800). . . . Riverdance star Eileen Ivers comes to the Music Haven Stage on Sunday (5 PM, free, musichavenstage.org). . . . Mumford acolytes the Lone Bellow play Club Helsinki on Sunday (8 PM, $25, 828-4800). . . . It’s HmfO, paying “mf” tribute to Hall and Oates at Rocking on the River on Wednesday (5 PM, free). . . . Sarah McLachlan (left) has a new album and lease on her career. She’ll be at SPAC on Wednesday (8 PM, $40.50-$70.50, 584-9330).