Yup, that’s right, a pair of hard to classify bands with to classify sounds and long names with unusual abbreviations swung through Chicago’s Bottom Lounge last night. Billed as a co-headlining tour, Black Moth Super Rainbow closed the night with their lo-fi psych grooves after School of Seven Bells finished filling the room with their own kaleidoscopic melodies.

Spreading out across the front of the stage with Alejandra and Claudia Deheza flanking Benjamin Curtis, SVIIB set the night in motion with computerized drums and walls of guitar and synth noise. The New York trio drew their setlist from their stellar debut Alpinisms and the twin sisters’ hypnotic vocals were as captivating as they were on the disc.

The ladies’ soaring voices took the lead, but Curtis was not to …