( RollingStone.com ) -- Only a few months after joining the Pixies , bassist Kim Shattuck is already out of the band . The Muffs frontwoman shared the news on November 29 with a message on Twitter and Facebook . `` Super disappointed to learn that my time with the Pixies ended today , '' she wrote . `` Amazing experience . Looking forward to focusing my attention back on the Muffs and our upcoming new album . All the best to everyone . '' Rolling Stone : The 10 messiest band breakups . Shattuck began her post with the Pixies in July , after founding bassist Kim Deal suddenly quit the band in the middle of the recording sessions for their latest release , `` EP-1 . '' Rolling Stone : The Pixies keep rolling , minus one . `` [ Deal ] just had enough , '' the band 's manager , Richard Jones , told Rolling Stone in an interview earlier this year . `` She did n't want to do all the things that go with releasing new music , as in all the traveling and touring . She just decided that she wanted to move on . '' In the same interview , frontman Black Francis said that the band realized that they needed to replace Deal with another female bassist . Rolling Stone : Pixies detonate guitarist in 'What Goes Boom ' `` A lot of our songs have that romantic loss , romantic gain , sexuality thing , '' he said . `` We need the female and male represented . '' Less than a month after the Pixies announced Deal 's departure , Shattuck was on board and touring with the group . The Pixies kick off their North American tour on January 15 in Toronto . It 's not currently clear who will be playing bass now in the absence of both Kims . See the original story at RollingStone.com . Copyright © 2011 Rolling Stone .
Kim Shattuck has already left the Pixies . The bassist shared the news on Twitter and Facebook . Shattuck joined the Pixies in July after founding bassist Kim Deal quit .