engineer Rune Persson
layout Yngve Solberg
liner notes Stig Claesson
orchestra Carl-Axel Dominiques Orkester
painting Stig Claesson
photography by Jarl Ekenryd
producer Göte Wilhelmson
Recorded At Metronome Studio, Stockholm
Recorded 11, 15, 17 April 1967.

Bill Evans wrongly credited for writing A4 (his trio was the original performer though).