In studio record of this music release "Spontaneous" attended those artists:

Weber (Artwork By [Cover Design]),  Winckelmann (Artwork By [Cover Design]),  Peter Warren (Bass),  Allen Blairman (Drums),  Djamil Mehtieff (Mastered By),  Andreas Raggenbass (Photography [Backcover]),  Hellmut Loose (Photography [Frontcover]),  Masahiko Sato (Piano, Effects [Modulator]),  Horst Weber (Producer),  Matthias Winckelmann (Producer),  Jürgen Wentorf (Recorded By),  Albert Mangelsdorff (Trombone),  Albert Mangelsdorff (Composed By),  Allen Blairman (Composed By),  Peter Warren (Composed By),  Masahiko Sato (Composed By),