Artist
Albums
Christmas
1972
The Complete a Capella Sessions
2006
In Tune (Anniversary Edition) [Remastered]
2014
A Capella I
1971
A Capella II
1975
The Singers Unlimited (with Rob McConnell & the Boss Brass)
1980
Just in Time
1978
Four of Us
2014
Masterpieces
1994
Feeling Free (with the Pat Williams Orchestra)
2014
Invitation (with Sigi Schwab, Eberhard Weber, Heribert Thusek & Charly Antolini)
2014
Sentimental Journey (Jazz Club)
2009
Eventide
2014
A Capella III
1980
Easy to Love
2014
A Special Blend
1976
Friends (with Patrick Williams Orchestra)
2014