Videos: Weezer featuring Hayley Williams (Paramore): "Say It Ain't So" (live)

This past Wednesday, Weezer performed live for the first time since a bus accident sidelined frontman Rivers Cuomo in December. The show was at Florida State University in Tallahassee, FL and Hayley Williams of Paramore joined the band onstage for the classic "Say It Ain't So," from the band's self-titled 1994 debut.

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