clarinet Jimmy Giuffre design [cover design] Barbara Wojirsch double bass Steve Swallow engineer Dick Olmsted mixed by [reissue] Jan Erik Kongshaug photography by Herb Snitzer piano Paul Bley reissue producer Jean-Philippe Allard reissue producer, mixed by [reissue] Manfred Eicher tracks a2, a4, b1 to b5, c3 to c5, d2 to d4, d6 written-by Jimmy Giuffre Phonographic Copyright (p) ECM Records GmbH Copyright (c) ECM Records GmbH Remixed At Rainbow Studio Fusion: recorded, New York, 3.3.1961 Thesis: recorded, New York, 4.8.1961 Remixed June 1990 at Rainbow Studio, Oslo