Lollapalooza 2005 - Day 1

CHICAGO, IL - JULY 23: Les Claypool (L) plays bass and sings as Tim Alexander plays drums and Larry LaLond plays guitar during Primus' performance live in concert at Lollapalooza 2005 day one July 23, 2005 in Chicago, Illinois. (Photo by Matt Carmichael/Getty Images)

Primus Visits SiriusXM

NEW YORK, NY - SEPTEMBER 28: Larry "Ler" LaLonde of Primus visits SiriusXM Studio on September 28, 2011 in New York City. (Photo by Cindy Ord/Getty Images)

Lollapalooza 2005 - Day 1

CHICAGO, IL - JULY 23: Les Claypool performs with Primus live in concert at Lollapalooza 2005 day one July 23, 2005 in Chicago, Illinois. (Photo by Matt Carmichael/Getty Images)

Lollapalooza 2005 - Day 1

CHICAGO, IL - JULY 23: Les Claypool (C) plays bass and sings as Tim Alexander plays drums and Larry LaLond plays guitar during Primus' performance live in concert at Lollapalooza 2005 day one July 23, 2005 in Chicago, Illinois. (Photo by Matt Carmichael/Getty Images)

San Francisco's "Outside Lands" Music & Arts Festival - Day 2

SAN FRANCISCO - AUGUST 23: Les Claypool of Primus performs during day two of the Outside Lands festival on August 23, 2008 at Golden Gate Park in San Francisco, California. (Photo by Karl Walter/Getty Images)

San Francisco's "Outside Lands" Music & Arts Festival - Day 2

SAN FRANCISCO - AUGUST 23: Les Claypool of Primus performs during day two of the Outside Lands festival on August 23, 2008 at Golden Gate Park in San Francisco, California. (Photo by Karl Walter/Getty Images)

San Francisco's "Outside Lands" Music & Arts Festival - Day 2

SAN FRANCISCO - AUGUST 23: Larry "Ler" LaLonde of Primus performs during day two of the Outside Lands festival on August 23, 2008 at Golden Gate Park in San Francisco, California. (Photo by Karl Walter/Getty Images)

"South Park's" 15th Anniversary Party - Arrivals

SANTA MONICA, CA - SEPTEMBER 20: (L-R) Musicians Les Claypool and Larry LaLonde of the band Primus arrive at "South Park's" 15th Anniversary Party at The Barker Hanger on September 20, 2011 in Santa Monica, California. (Photo by Frazer Harrison/Getty Images)

Lollapalooza 2005 - Day 1

CHICAGO - JULY 23: Les Claypool of Primus performs at Lollapalooza on July 23, 2005 in Chicago, Illinois. (Photo by Justin D. Renney/Getty Images)

Primus Visits SiriusXM

NEW YORK, NY - SEPTEMBER 28: Les Claypool visits SiriusXM Studio on September 28, 2011 in New York City. (Photo by Cindy Ord/Getty Images)

Lollapalooza 2005 - Day 1

CHICAGO - JULY 23: Les Claypool of Primus performs at Lollapalooza on July 23, 2005 in Chicago, Illinois. (Photo by Justin D. Renney/Getty Images)

Vegoose Music Festival - Day One

LAS VEGAS - OCTOBER 28: Drummer Brain from the rock group Primus performs with the band Praxis at the Vegoose music festival at Sam Boyd Stadium's Star Nursery Field October 28, 2006 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

"South Park's" 15th Anniversary Party - Arrivals

SANTA MONICA, CA - SEPTEMBER 20: (L-R) Musicians Les Claypool and Larry LaLonde of the band Primus and guests arrive at "South Park's" 15th Anniversary Party at The Barker Hanger on September 20, 2011 in Santa Monica, California. (Photo by Frazer Harrison/Getty Images)

"South Park's" 15th Anniversary Party - Arrivals

arrives at "South Park's" 15th Anniversary Party at The Barker Hanger on September 20, 2011 in Santa Monica, California.