With the recent addition of Mike Quinn (ex-And The Moneynotes), the indie-rock trio of Purples has evolved into a quartet. Their new single “Love is Blind” takes a creepy first step, orchestrated via keys and a thumping bass line, which then transitions into a strolling psych rocker. Vocal harmonies, grounding percussion, tight guitar licks and those persistent keys and bass produce a song that’s airy with an edge. Catch the band when they return home on Wednesday, July 22 at Ortlieb’s with Lightninging and Gladshot!