Eberhard Weber / Charlie Mariano Quartet - Live at the Molde Jazz Festival

Recorded August 3, 1976 in Molde, Norway, featuring Eberhard Weber (electric 5 string bass), Charlie Mariano (soprano sax, flutes, nagaswaram), Rainer Brüninghaus (keyboards), and Jon Christensen (drums).

Eberhard Weber on Wikipedia
Charlie Mariano on Wikipedia

Keith Jarrett Quartet - Live in Germany

Recorded in 1974 in Hannover, Germany, featuring Keith Jarrett (piano), Jan Garbarek (saxophones), Palle Danielsson (bass), and Jon Christensen (drums).

Keith Jarrett on Facebook

Sonny Rollins - Live at the Kongsberg Jazzfestival

Recorded August 5, 1971, featuring Sonny Rollins (tenor sax), Bobo Stenson (piano), Arild Andersen (bass), and Jon Christensen (drums).

Sonny Rollins official site

Ralph Towner Quartet - Live at the Molde Jazz Festival

Recorded in 1978, featuring Ralph Towner (guitar, piano), Jan Garbarek (tenor sax), Eberhard Weber (bass), and Jon Christensen (drums).

Ralph Towner official site