At the end of 1992, Matt moved to Seattle, Washington to start the band Critters Buggin with Skerik and Brad Houser. The band has since released six albums. In 1993, Chamberlain toured as a member of the funk band Weapon of Choice. In 1996, he received career boosts after performing on albums by The Wallflowers (Bringing Down the Horse) which he won a Grammy for "best recorded performance" and Fiona Apple (Tidal). In 1998, Chamberlain began working with singer-songwriter Tori Amos, with whom he gained recognition. He performed on her 1998 album, From the Choirgirl Hotel, and since then he has contributed to several of Amos' albums and tours. He has worked on combining live and looped drums, often creating loops on the fly and then playing along to them. Amos has introduced Chamberlain as "the human loop" at her concerts. He was nominated Musician Of The Year at the 2004 CMA's.

Since the mid-1990s, Chamberlain has become well known as a session drummer, having appeared on over 200 records with sales well over 80 million worldwide. The diverse range of artists that Chamberlain has contributed his drumming to the tours and albums of include Alanis Morissette, Peter Gabriel, The Wallflowers, Fiona Apple, Sam Phillips, Kanye West, Weapon of Choice, David Torn, Tori Amos, Chris Isaak, Macy Gray, Stevie Nicks, Dave Navarro, Kevin Max, Master Musicians of Jajouka, Stone Gossard, Martina McBride, Garbage, Elton John, Natalie Merchant, Anika Moa, David Bowie, Brad Mehldau, Keith Urban, Liz Phair, John Mayer, Finn Brothers, William Shatner, Jon Brion, Robbie Williams, Shakira, Morrissey, Indigo Girls, Sean Lennon, Sarah McLachlan, Sara Bareilles, Brandi Carlile, Dido, Lisa Marie Presley, Elvis Costello, Bruce Hornsby, and Regina Spektor.

In 2005, he released a self-titled solo album on Web of Mimicry Records that he describes as "an imaginary soundtrack to an Asian-Western-Sci-Fi-Horror Movie." He is in a group called the Slow Music Project with Bill Rieflin, Peter Buck, Robert Fripp, Hector Zazou, and Fred Chalenor. In August 2007, Chamberlain and musician Bill Frisell released the debut album for the musical project Floratone. In 2010 Drum Magazine named him one of the 15 Greatest Groove Drummers Of All Time. In 2011 he started a solo Electro/Acoustic project called "Company 23" He will be releasing a recording for this project and doing shows in 2011. Chamberlain won the ACM Country Drummer Of The Year in 2012.

On March 27, 2014, Chamberlain made his debut drumming for Soundgarden, the first of a string of live shows on the Lollapalooza tour in South America. The band's drummer and friend of Chamberlain, Matt Cameron announced that he would not be touring with the band in 2014, due to prior commitments promoting Pearl Jam's album Lightning Bolt. Soundgarden have announced Chamberlain will be filling in on dates for their following 2014 tour that Cameron cannot fill and have expressed their eagerness for having Chamberlain on board. Chamberlain is a long time friend of the band and has also appeared alongside Cameron on Soundgarden bassist Ben Shepherd's solo record In Deep Owl.

Source: Wikipedia | Text from this biography licensed under creative commons license