No. 4 is the fourth album released by Stone Temple Pilots, on October 26, 1999, by Atlantic Records. The album combined elements of heavy metal, psychedelic rock, and alternative rock. No. 4 achieved platinum status, despite the lack of promotion due to singer Scott Weiland's one-year jail sentence in September 1999, shortly before the album's release. The song "Down" was nominated for Best Hard Rock Performance at the Grammy Awards. Read more on Last.fm.