Throwback, Vol. 1 (also known as simply Throwback) is a 2004 covers album by R&B group Boyz II Men, released by Koch Records, and featuring covers of classic R&B songs (hence the album title) from such artists as Teddy Pendergrass, The Isley Brothers and Michael Jackson. The album was their first as a trio, after founding member Michael McCary left the group due to chronic back problems.A rendition of Grandfather's Clock was included on the Taiwanese release as a bonus track.