PERSONNEL:

• ON TRACKS [1-2]
• Andreas Boje - trombone
• Wilfried Eichhorn - bass clarinet & tenor saxophone
• Hans-Jörg Hussong - baritone & soprano saxophone, composition
• Erich Schröder - viola
• Helmut Zimmer - piano
• Matthias Boje - double bass
• Rudi Theilmann - drums
• Recorded on July 17, 1971 at Tonstudio Bauer, Ludwigsburg, Germany

• ON TRACK [3]
• Hans-Jörg Hussong - baritone, tenor and alto saxophone
• Matthias Boje - double bass
• Willi Schneider - drums
• Recorded July 3, 1988 at Finest Song studio in Hamm, Westfalen, Germany

TRACKS:

• 01. Walpurgisnacht
• 02. Incubus-Succubus-Pestilentia
• 03. Improvisation