Our occasional series “Secret History” features profiles of classic D.C. albums as a way of looking back at the District’s contributions to music over time. In this installment, DCist speaks with members of Edsel about the band’s major-label debut, Techniques of Speed Hypnosis (Relativity, 1995). A post-hardcore band with oversized hooks, Edsel occupied an odd spot in D.C.’s 1990s musical landscape. Guided by a consistently experimental and stylistically ambitious mindset, they cranked out quality…