This 14-minute track, also on 10-inch vinyl, is a benefit for orphans of the 2011 tsunami and a preview of a forthcoming album by Ono and the Sonic Youth ex-couple. Ono's tremolo cries are set in a guitar paroxysm recalling Youth's feedback monument "Expressway to Yr Skull." Gordon adds eerie alto-vocal comfort, while the John Lennon who played on Ono's "Mind Train" would approve of the guitars' treble stammers and raw-fuzz groans.

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• Yoko Ono Recording With Sonic Youth's Kim Gordon and Thurston Moore

“The Pretender”

This song wasn't part of the planned track listing for 2007's Echoes, Silence, Patience & Grace, and was put together in a day. "It happened after we recorded a lot of stuff," said Dave Grohl. Yet it ended up as the album opener and the lead single. Grohl called it "a stomping Foo Fighters uptempo song with a little bit of Chuck Berry in it." The singer hinted at the lyrics' political overtones: "Everyone's been f---ed over before and I think a lot of people feel f---ed over right now and they're not getting what they were promised."