This double-featured opening concert - preceding the Gerry Mulligan Quartet (released on SteepleChase, SCCD36506) - of May 21, 1959 at Falkoner Centret in Copenhagen could not escape being conceived as "incompatible" for the huge stylistic difference between the first half of the program by the front-runner of jazz's free improvisation Jimmy Guiffre and the latter part by Gene Krupa, the top drummer of Swing Era.

The evening's audiences, however, were treated to a perfect showcase of multifaceted jazz of the mid - 20th century.

Track 1-4: Jimmy Guiffre Trio:

Jimmy Guiffre: clarinet, tenor saxophone

Jim Hall: guitar

Buddy Clark: bass

Track 5-7: Gene Krupa Quartet:

Ed Wasserman: tenor saxophone, flute, clarinet

Ronnie Ball: piano

Jimmy Gammon: bass

Gene Krupa: drums