If EL-P’s made one thing clear over the years, it’s that he takes his live show very seriously, forsaking the hype man-heavy approach of other MCs for a full band that blurs the line between hip-hop and a real deal rock show. Case in point: his horn-stabbed, Zola Jesus-backed performance of “Works Every Time” on Conan last night. Check it out in the player above, and EL-P’s equally impressive rendition of “Stay Down” on Letterman after the jump. Oh, and be sure to watch this space in early July for our long-awaited sixteenth issue, featuring a cover story with the underground icon…