Seattle hip-hop duo Common Market (Sabzi, RA Scion) announced last night that they’ll release an EP, Black Patch War, on May 13, on Massline Records (track list after the jump). The group’s previously-announced full-length album, Tobacco Road, is expected in September.EP Release PartyWhen: May 9, 7 p.m.Where: The Vera ProjectWho: Common Market, D. Black, Khingz (of Ab Creole), DJ Daps 1Cost: $8, all agesTrack Listing for Common Market’s Black Patch War1 – Black Patch War2 – Oldham Era3 – Watership Down4 – Red Leaves5 – His Eminence6 – Trouble Is7 – Bonanza