John O'Gallagher (B. Monder, R. Lossing, J. Weidemueller, J. Hirshfield)
John Pizzarelli
John Raskin Quartet (T. Berne, M. Formanek, E. Kavee)
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
Jorgos Skolias & Antonis Skolias
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 Quartet
Jukka Perko Avara (J. Saari, T. Viinikainen)
Julia Hülsmann Trio With Anna Lauvernac
Julian & Roman Wasserfuhr