NASHVILLE (Billboard) - Country comedy is currently a hot commodity, spawning strong-selling CDs and DVDs and receiving plenty of TV exposure. Among the genre's stars are Jeff Foxworthy (news), Bill Engvall (news), Rodney Carrington, Ron White, Larry the Cable Guy, Cledus T. Judd (news) and T. Bubba Bechtol. The burgeoning popularity of the country comedy genre is succinctly explained by J.P. Williams, head of Parallel Entertainment. The management company handles Foxworthy, Engvall, Larry the Cable Guy and White. "To a large degree, everything in comedy skews to hip-hop, urban and Hispanic," Williams says. "But between Los Angeles and New York...