Manuel Villarroel left Santiago in September 1970 to participate in the Contemporary Music Workshop in Berlin. He rapidly decided to remain in Europe, to pursue his musical career. The following year, the pianist formed a quartet in Paris with saxophonist Jef Sicard (from the Dharma Quintet to be), adding Gérard Coppéré (saxophone), William Treve (trombone), François Méchali (bass), and Jean-Louis Méchali (drums). With the arrival of Sonny Grey, a Jamaican trumpeter who had collaborated ten years earlier with Daniel Humair, they were ready.
On May 8, 1971, the Septet Matchi-Oul was in the studio for Gérard Terronès’ Futura label. recording seven of Villarroel’s compositions.