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Pearl Jam and Soundgarden drummer Matt Cameron just isn't busy enough with two full-time bands.

Cameron, Soundagrden bassist Ben Shepherd, ex-Queens of the Stone Age/Them Crooked Vultures member Alain Johannes and Off singer-guitarist Dimitri Coats have formed a still-unnamed group that hopes to release some songs by the end of the year.

Coats says he and Cameron became friends earlier this year and that the drummer told him about a project he, Shepherd and Johannes had started in 2008 that they wanted to revisit. Coats tells Billboard, "So I was like, 'Jeez, let me in on that.' They invited me to Seattle and it was really incredible. There was just an instant chemistry and a really creative and open situation where everybody's passing around the guitar and throwing in ideas. I sort of felt like I was in the grunge Beatles."