arranged by Herman Schoonderwalt
tracks b1 to b6 bass clarinet Leo Van Oostrom
tracks b1 to b6 bass guitar Wim Essed
tracks b1 to b6 clarinet Leo Gerritsen
tracks b1 to b6 drums Chris Dekker
tracks b1 to b6 flute Henny Kluvers
tracks b1 to b6 french horn Hans Dullaert
tracks b1 to b6 french horn Helenus Hannecart
tracks b1 to b6 guitar Peter Nieuwerf
tracks b1 to b6 leader [orchestra] Herman Schoonderwalt
tracks b1 to b6 percussion Carl Schulze
tracks b1 to b6 piano Cor Cools
tracks a1 to a9 piano Drs. P
producer Cees Schrama
tracks b1 to b6 synthesizer, mellotron Jan Huydts
technician Erik Bakker
technician Henri Bentzon
tracks b1 to b6 trombone Herman Bekkers
tracks b1 to b6 trumpet Klaas Wit
vocals Drs. P
tracks a3 written-by Cesar F. Vedani
tracks a1, a2, a4 to b6 written-by Heinz Hermann Polzer
tracks a3 written-by Julio Sanders
Side A consists of live recordings, side B of studio recordings.
Rights Society: STEMRA
Matrix / Runout: AA 2925 036 1Y1 ℗ 1975 670 112 06 (Runout side A)
Matrix / Runout: AA 2925 036 2Y1 ℗ 1975 670 111 06 (Runout side B)