alto saxophone, baritone saxophone Günter Kronberg bass Günter Lenz drums Ralf Hübner tenor saxophone Heinz Sauer trombone Albert Mangelsdorff Record Company CBS Schallplatten GmbH Record Company Tonstudio Walldorf This is the original 1963 pressing, distinguished from later pressings by tiny “CBS” logo on bottom center of both labels. Later pressings do not have this CBS logo.
LP is No.1 (One) in an unnamed series of four 3-panel gatefolds released by [l46221] in 1963.
Note that One on cover and labels stands for No. 1 in that series. It's not part of the title which is Tension only.
Recorded at Walldorf Tonstudio Frankfurt 1963. Other: 1 (Unnamed Series)