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