Three Dog Night (also known as One) is the eponymous debut studio album by American rock band Three Dog Night, originally released by Dunhill Records on 16 October 1968. The album is known for featuring the band's US Top 5 hit single, their cover of Harry Nilsson's song "One". The album made the Top 20 on the albums charts in the United States and Canada. It has been reissued multiple times by Dunhill, MCA, and Geffen record labels. The title "One" was later added under the group's name on the album's cover to capitalise on the song's popularity. Cory Wells – lead vocals on all tracks except where noted below, background vocals Chuck Negron – lead vocals on "One" and "Don't Make Promises", background vocals Danny Hutton – lead vocals on "The Loner", background vocals Michael Allsup – guitars Jimmy Greenspoon – keyboards Joe Schermie – bass Floyd Sneed – drums, percussion User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.