From Brian's wikipedia: Bell has appeared in one-off performances on guitar with other bands. Playing on March 17, 2006 at The Troubador in LA with Weezer tour-mates Ringside,[16] and performing "Our Lips Are Sealed", with the Go-Go's member, Jane Wiedlin, on June 1, 2006 at the Viper Room. He sat in on guitars and back up vocals for Ringside's winter '06 tour in Russia.[17]
