Keller Williams Biography

Touring
Though primarily a solo artist, Williams has toured with several bands that include Yonder Mountain String Band, String Cheese Incident, Umphrey's McGee and Ratdog, and has frequently performed at The Bonnaroo Music and Arts Festival and The Rothbury Festival. Williams has a audio taping policy of his performances, and for non-commercial trading of the recordings but use of video or flash photography, or any recordings for profit are prohibited.
Keller Williams Incident
Keller Williams Incident is a collaborative performance between Williams and the String Cheese Incident. They have performed together, and Williams' 1999 album Breathe was released collaboratively as the Keller Williams Incident. Williams and SCI began collaborating after Williams saw the band perform in Colorado; offering to play with the band in exchange for free ski passes.
Keller Williams with Moseley, Droll and Sipe
Williams also frequently performs with a backing band as "Keller Williams with Moseley Droll and Sipe". Formed in 2007 as the WMDs, they first played at the Bonnaroo music festival. The group consists of Williams on rhythm guitar, Jeff Sipe on drums, Keith Moseley on bass, and Gibb Droll on lead guitar. They changed their name from the WMDs in 2008.
Keller & The Keels
"Keller & The Keels" is a bluegrass project consisting of Williams and the husband and wife combo of Larry and Jenny Keel. The trio released Grass in 2006, a collection of both original and cover songs. They released Thief on May 2010. Thief is an album of cover songs.
Keller McGee
Keller McGee is a jam band consisting of Williams and the members of progressive jam band, Umphrey's McGee. They debuted this combination over the 2005 Big Summer Classic tour.
Source: wikipedia.org