Jürgen Friedrich (H. Chisholm, A. Kaufmann, J. Hebert, J. Hollenbeck, Sequenza String Orchestra)
Jürg Wickihalder Overseas Quartet (A. Succi, M. Zubek, K. Zubek)
Jürg Wickihalder / Chris Wiesendanger
Junk Genius (B. Goldberg, J. Schott, T. Dunn, K. Wollesen)
Julian & Roman Wasserfuhr (B.G. Alonso, O. Rehmann, D. Rynkowski, K. Yamagami, E. Bayer, G. Wasserfuhr)
Julia Hülsmann Trio With Anna Lauvernac
Joshua Redman (A. Goldberg, R. Rodgers, G. Hutchinson)
Joshua Douglas Smith (B. Monder, R. Mcclure, B. Hart)
Josh Roseman Unit (P. Apfelbaum, B. Mcall, B. Monder, J. Maron, B. Kilson)
Josh Roseman Unit (L. Bowie, B. Stewart, J. Medeski, B. Monder, D. Fiuczynski, S. Colley, J. Baron, A. Hoenig, M. Shulman, E.J. Rodrigues, D. Jensen)
Josh Roseman (P. Apfelbaum, A. Akinmusire, B, Mcall, M. Sewell, J. Maron, J. Brown)
Joris Roelofs (A. Goldberg, M. Penman, A. Hoenig)
Joo Kraus & Swr Big Band
Jonny King (J. Redman, S. Nelson, P. Washington, B. Drummond)
Jonny King (D. Sanchez, S. Wilson, S. Davis, L. Grenadier, B. Drummond, M. Cardona)
Jonas Knutsson (M. Öberg, H. Wyöni, M. Berglund, R. Sida, M. Hedenquist)
Jon Thorne'S Oedipus Complex (S. Brown, L. Flowers)
Johnny Griffin Quartet (P. Coil, M. Johnson, A. Taylor)
Johnnie Valentino (M. Rossi, M. Ferber, B. Sheppard, R. Jones)
Johnnie Valentino (M. Rossi, E. Friedlander, R. Johnson, V. Golia, M. Sarin, R. Jones, E. Lala)
John Tchicai'S Infinitesimal Flash (F. Wong, A. Lane, M. Marucci)
John Stein (L. Harris Sr., D. Hurst, D. Limina, B. Torff, M. Wood)
John Schott (B. Goldberg, M. Brubeck, T. Dunn, S. Amendola)
John Raskin Quartet (T. Berne, M. Formanek, E. Kavee)