Déjà Vu is the secon album by rock band Crosby, Stills & Nash, and their first as Crosby, Stills, Nash & Young, released on March 11, 1970. The premiere CSN collaboration with Neil Young, greatly anticipated after the popularity of its predecessor, it hit #1 on the Billboard 200 album chart, generating three Top 40 singles in the process: "Teach Your Children," "Our House," and "Woodstock."