Keller Williams (Born February 4, 1970) Is an American Musician Who Debuted on the Music Scene in the Early 1990S and Has Been Touring Ever Since. When He Is on Stage, He Is Also Known by the Stage Name K-Dub. Williams’ Music Incorporates Elements of Bluegrass, Folk, Alternative Rock, Reggae, Electronica/Dance, Jazz, Funk, and a Variety of Other Genres into a Cohesive Whole. in Part, This Is Due to His Frequent Usage of Live Phrase Looping with Various Instruments, Which Has Earned Him the Nickname “One-Man Jam-Band. ”