Off the bat, this DCist writer has to make a full disclosure statement: I’ve known Jamall Bufford for some years now, dating back to my time in Ann Arbor, Michigan. Back then, he was Buff1 of the Athletic Mic League. Now, he’s still affiliated with the League, but he’s also a bona fide solo act with two albums, Pure and There’s Only One, under his belt. This new chapter in his career has led…