High Quality Content by WIKIPEDIA articles! Keller Williams (born February 4, 1970) is an American musician from Fredericksburg, Virginia, who began performing in the early 1990s. He is also known by the names K-Dub or just Keller, when performing. Williams` music combines elements of bluegrass, folk, alternative rock, reggae, electronica/dance, jazz, funk, and other assorted genres. He is often described as a `one-man jam-band` due to his frequent use of live phrase looping with multiple instruments.