Legendary funk saxophonist and band leader Jimmy Castor, of The Jimmy Castor Bunch - the sample source for a huge amount of hip-hop records - died today in Las Vegas of causes that are “currently unknown.” Sad news. Castor is best known for the evergreen breakbeat classic “It’s Just Begun,” “Troglodyte (Cave Man),” which was a huge hit for The Jimmy Castor Bunch in 1972 and “The Bertha Butt Boogie.” Here’s an excellent clip of the band performing “It’s Just Begun” live on TV (apparently the show is called Soul School), and tearing the roof off that sucker: