Grateful Dead founding member Weir founded RatDog as a duo in 1995, and over the succeeding years he has enlisted Jay Lane (drums), Jeff Chimenti (keyboards), Mark Karan (lead guitar), Kenny Brooks (saxophone), and Robin Sylvester (bass).

RatDog plays Weir’s solo material and the complete Grateful Dead repertoire, and has evolved into a rock band that contains a jazz trio at its heart.

Williams has been called guitar’s mad-scientist and a one-man-band for the new millennium. If pressed to define his sound Williams calls it solo, acoustic jazzfunk reggae technograss , or maybe it’s solo acoustic dance music.

Sometimes musicians tour together purely because of business. These guys actually like each other,

“Keller Williams is more fun than a frog in a glass of milk,” Weir said.

Williams skipped the analogies. “I love this tour because I get to get in for free,” he said.