In 2004, the Free Zone feature of the Appleby Jazz Festival presented a sequence of duo and trio combinations featuring bassist Barry Guy, percussionist Paul Lytton, saxophonist Evan Parker, violinist Philipp Wachsmann, and Joel Ryan on live computer processing. Free Zone Appleby 2004 culls pieces taken from each of the four sets.

• 1 Duo-1
• 2 Trio-1
• 3 Duo-2
• 4 Trio-2
• 5 Duo-3
• 6 Trio-3
• 7 Duo-4
• 8 Trio-4