APPEARANCES +
Maj Britt Andersen
Kjærtegn
1992, CD, 
,
, Vocal/Ballad
Oslo Gospel Choir
Tusen Julelys
1992, CD, 
,
, Gospel/Holiday
Henning Sommerro
Neonlys På Ivar Aasen
1986, Vinyl, ,
, Nordic/Vocal/Folk
Ranveig Eckhoff , Songs By Grieg* And Sommerfeldt*
I'll Take You There
1985, LP, Album, Aurora (5)
Arne Viken
Slik jeg lærte det
1985
Various
Norsk Jazz 1960 - 1980
1983, 5xLP, Comp + Box, Odin,
Edvard Grieg - The Norwegian Chamber Orchestra*, Terje Tønnesen
The Complete Music For String Orchestra
1980, 
,
, Romantic
Per Øien, The Norwegian Chamber Orchestra*
The Norwegian Flute (Per Øien Plays Works By Olsen, Ørbeck, Mortensen, Sommerfeldt)
1978, ,
, Modern/Contemporary
Birgitte Grimstad
Ord Over Grind
1977, LP, Album, RCA Victor,
Radka Toneff
Winter Poem
1977, Vinyl,
Rita Engebretsen, Helge Borglund
Frem Fra Glemselen Kap. 5
1977
Kjell Bækkelund
Populære Klassikere
1977, Vinyl, ,
, Baroque/Classical/Romantic/Modern
Various
March 1976 Classical Sampler
1976, LP, Smplr, His Master's Voice, 
Stein Ove Berg
La Dette Bli Min Sang
1976