Radiohead headlined the first day of Austin City limits last night, and before the band launched into their Hail To The Thief song "2+2=5," Thom Yorke sang a little bit of the Smiths' "How Soon Is Now?" a cappella: "How can you say/ I go about this the wrong way?/ I am human and I need to be loved/ Just like everybody else does." Watch below.
Previously the band covered "The Headmaster Ritual" on a webcast in 2007.
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