Jørgen Ingmann Pedersen was born in Copenhagen, and first performed as a guitarist with Svend Asmussen, the jazz violinist, during the 1940s and early 1950s, in a group known as the Unmelancholy Danes.

In the mid-1950s he set up his own studio where he developed techniques of multi-tracking and distortion, using his own accompaniment on bass and drums, and began recording under the name Jørgen Ingmann & His Guitar.

[4] In the first half of the 1960s he had many hits in Germany, including "Pepe" (1961 #15), "Anna" (1961 #19), "Violetta" (1962 #16), "Drina Marsch" (1964 #5) and "Zorba le Grec" (1965 #14).

2 on the Denmark pop singles chart with his recording of "Marchen Til Drina" on 7 December 1963.

[citation needed] His best jazz work is to be found on the LP Guitar in Hifi which, apart from "Margie", the first track, has many songs written by Hoagy Carmichael.