When: Wed., April 29, 7 p.m. 2015
Waxahatchee — the principal outlet for Katie Crutchfield’s spare but moving songwriting — and Girlpool — a similarly restrained, percussion-free duo prone to unflaggingly direct lyricism — are two musical entities that have adopted Philadelphia as home base. And it is a base from which the two groups depart often to tour, this time in tandem, appearing for one night together at the Great American Music Hall (859 O’Farrell St., San Francisco) on Wednesday. Crutchfield is supporting Ivy Tripp, her third Waxahatchee record and a rewarding exercise in unadorned, classicist indie-rock and pop, as much at home on Sarah Records as Saddle Creek. Except the album appeared through Merge Records, which imbues Waxahatchee with the sort of indie patina that people expect Girlpool to acquire before long. Originally from Los Angeles, Girlpool’s Cleo Tucker and Harmony Tividad deal clean guitar and bass leads arranged with such precocious craft that, like Crutchfield’s work, familiar conventions have staggering effects. It must be a Philly thing.