After WU LYF's post-midnight US debut at Glasslands Friday night, folks slipped into the venue next door, 285 Kent St., to catch the tail-end of a bill anchored by the band Friends. It was an impressive, infectious set -- ESG-style polyrhythmic post-disco on a tropical-pop trip, with some Lykke Li in the mix -- from a quintet of multi-instrumentalists fronted ...