This article explores the notion of artistic collaboration between performer and composer, a topic that has attracted some attention but whose methodology might be thought to preclude objective discussion by the participants themselves. Although our report can make no claims to objectivity either, it attempts a critical reflection on a specific collaboration between the two authors as composer and performer, respectively. Cast in a dialogical format, it traces the genesis of a composition by Fabrice Fitch for speaking cellist, Per Serafino Calbarsi II: Le Songe de Panurge, written in 2002–3 and premiered in London in October 2006. The collaboration first evolved as a constant exchange of ideas in which concept, technique, and realization we...