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 the Most Secret Method about their debut LP, the blistering post-hardcore collection Get Lovely (Slowdime, 1998). In the 1990s, one of D.C.’s signature musical styles was a potent strain of post-hardcore indie rock built around fearsomely tight rhythms, jagged guitar riffery and desperately…