Aarses (Thursday) The guitarist David Torn, the alto saxophonist Tim Berne and the drummer Ches Smith make up this improvising trio. At 8 p.m., Littlefield, 622 Degraw Street, between Third and Fourth Avenues, Gowanus, Brooklyn , (718) 855-3388, littlefieldnyc.com; $10. (Nate Chinen)
Brooklyn Jazz Wide Open (Wednesday) Joseph Jarman, a searching multireedist hailing from the first wave of the Association for the Advancement of Creative Musicians, appears here at 7:30 p.m. Littlefield, 622 Degraw Street, between Third and Fourth Avenues, Gowanus, Brooklyn , (718) 855-3388, littlefieldnyc.com; $20. (Chinen)
David Fiuczynski Group (Friday through Sunday) His cohort here includes the alto saxophonist Rudresh Mahanthappa and the keyboardist John Medeski. At 8:30 and 10:30 p.m., Iridium Jazz Club, 1650 Broadway, at 51st Street , (212) 582-2121, iridiumjazzclub.com; $27.50 cover, with a $10 minimum. (Chinen)
Ideal Bread (Wednesday) At 8:30 p.m. Cornelia Street Café, 29 Cornelia Street, West Village , (212) 989-9319, corneliastreetcafe.com; $10 cover, with a one-drink minimum. (Chinen)
Malaby, Motian, Sanchez, Monder (Friday) At 9 and 10:30 p.m., Cornelia Street Café, 29 Cornelia Street, West Village , (212) 989-9319, corneliastreetcafe.com; $15 cover, with a one-drink minimum. (Chinen)
Mario Pavone’s Orange Double Tenor (Saturday) At 9 and 10:30 p.m., Cornelia Street Café, 29 Cornelia Street, West Village , (212) 989-9319, corneliastreetcafe.com; $15 cover, with a one-drink minimum. (Chinen)
Snake Oil (Tuesday) The alto saxophonist Tim Berne, the pianist Matt Mitchell and the drummer Ches Smith. At 11 p.m., Korzo, 667 Fifth Avenue, at 20th Street, Park Slope, Brooklyn , (718) 285-9425, myspace.com/konceptions; $5 suggested donation. (Chinen)
