Made By – Disctronics, UK
Manufactured By – Deluxe (7)
Recorded At – San Zeno Abbey
Recorded At – Giardino Scotto
Bass – Maarten Altena (tracks: 1-3, 1-4, 2-3, 2-4)
Double Bass – Barry Guy (tracks: 2-1, 2-2, 2-3, 2-4)
Engineer [Recording Engineers] – Jean-Marc Foussat, Luciano Bernini
Engineer [Sound System Engineer In Giardino Scotti] – Piero Verbaro
Executive-Producer – Francesco Martinelli, Roberto Terlizzi
Guitar – Derek Bailey (tracks: 1-3)
Liner Notes [2003] – Francesco Martinelli
Percussion – Paul Lovens (tracks: 1-4, 2-1, 2-2)
Percussion, Electronics [Live Electronics] – Paul Lytton (tracks: 2-1, 2-2)
Photography By [Cover Photographs] – Gerard Rouy*, Roberto Masotti
Restoration, Mastered By [Digital Mastering] – Evan Parker, Martin Davidson
Tenor Saxophone, Soprano Saxophone – Evan Parker (tracks: 1-1, 1-2, 2-1, 2-2)
Trombone – George Lewis (tracks: 1-1, 1-2, 1-4, 2-3, 2-4)
Violin, Electronics – Philipp Wachsmann (tracks: 2-1, 2-2)
This is a re-issue of Incus LP 37. Track 1-4, 2-2 and 2-3 are previously unissued and track 1-3 and 2-1 have been restored to their complete lengths for this CD issue
The Symposium took place in the San Zeno Abbey and in the Giardino Scotto open-air theatre on the 26, 27 and 28 June 1980
Track 1-1 to 1-3 recorded in the Giardino Scotto open-air theatre
Track 1-4 to 2-4 recorded in the San Zeno Abbey