The very first concert of Act 12 at the Halles of Schaerbeek, Brussels, in 1979. The initial line-up consisted of 12 musicians : Trumpets : Richard Rousselet & Nick Fissette; trombones : Paul Bourdiaudhy & André Knaepen Saxes : Steve Houben (alto), Robert Jeanne (tenor), Jack Van Poll (tenor) and Johan Vandendriessche (baritone) US guitarist Bill Frisell, Freddie Deronde (double bass), Michel Herr (piano, musical director) and Félix Simtaine (drums, leader). Brussels, Halles de Scharbeek, April 22,1979.