R. Kelly 's 'R.' feat. 'I'm Your Angel' (with Céline Dion) is his third studio album (and his first double) released on November 10, 1998 by Jive.

Michael Bublé, Céline Dion, Il Divo, Vince Gill, Ray Charles, Louis Armstrong, Neil Diamond, Barry Gibb, Kris Kristofferson, Judy Garland, Burt Bacharach, Michel Legrand

Agnetha Fältskog, Sheryl Crow, Beth Hart, Jill Scott, Cassandra Wilson, Julie Andrews, Brandi Carlile, Cesária Evora, Céline Dion, Joan Baez & Judy Collins, Sarah Vaughan, Dolly Parton Linda Ronstadt & Emmylou Harris