DJ group The X-ecutioners are preparing to drop the follow up to 2002's "Built From Scratch." The latest album, "Scratchology," seeks to enlighten people to the history of scratching. "It is a great introduction to scratching, its evolution, and the progression of hip-hop from its origin to the present day," The X-ecutioners said. The CD is dedicated to the late Jam Master Jay and hits stores April 8th. Link