In its explorations of Bach in all its forms, Fuga Libera was waiting for the rare bird capable of provoking reflection on the genius of the Cantor on the basis of the marimba, which would no doubt have fascinated him. Showing the same ease with 18th century timpani as in his position as percussionist with the Rotterdam Philharmonic Orchestra, Koen Plaetinck has seduced numerous specialists of ancient music, among them Sigiswald Kuijken and Philippe Herreweghe. Here is the marimba at its highest level, at the service of Bach, in a series of unusual and utterly convincing transcriptions.