Nirvana is a "best-of" compilation album by the American grunge band Nirvana, released in October 2002.The album opened at #3 on the Billboard 200 with 234,000 copies sold. Currently, it has sold 6 million copies worldwide. It has sold nearly 2.2 million copies in the United States, according to Soundscan, and has sold more than 2 million copies in Europe as of 2007.Nirvana was the third Nirvana album to be released following the death of singer/ guitarist Kurt Cobain in April 1994, and the first to feature studio material. It contains the previously unreleased "You Know You're Right", a song recorded during the band's final studio session, in January 1994. The album also includes a selection of the band's more popular songs, pulled mostly from 1991's Nevermind and 1993's In Utero, but also containing three pre-Nevermind songs and two songs recorded during the band's MTV Unplugged set in November 1993.The album contains liner notes by music journalist David Fricke.