EASTERN NOTES The Jewish Museum’s Summernights Festival presents a performance by Art Bailey’s Orkestra Popilar, which performs traditional Romanian and Jewish music. Tonight, 7 and 8 p.m., the Jewish Museum, 1109 Fifth Ave. at 92nd Street, 212-423-3200, admission is pay-as-you-wish.

FULL AND LIVE Israeli-born bassist Avishai Cohen presents his trio for a live recording. Band members include pianist Sam Barsh and drummer Mark Guiliana. Accompanying musicians include saxophonist Jimmy Greene and trumpeter Diego Urcola. Tonight through Sunday, 8 and 10:30 p.m., the Blue Note, 131 W. 3rd St., between Mac-Dougal Street and Sixth Avenue, 212-475-8592, $15 at the bar, $25 at the tables.

MUSICAL THINKING Jazz pianist, composer, and psychiatrist Denny Zeitlin performs with his trio, including bassist Buster Williams and drummer Matt Wilson. Tonight through Sunday, Thursday and Sunday, 8:30 and 10:30 p.m., Friday and Saturday, 8:30 and 10:30 p.m., and midnight, Iridium Jazz Club, 1650 Broadway at 51st Street, 212-582-2121, $30.

SAY WHAT? The Cincinnati-based jazz-hip hop trio, Iswhat?!, performs its blend of progressive jazz, human beat box, and spoken word including selections from their debut album “The Life We Choose.” Tonight, 11:30 p.m., Mo Pitkins, 34 Avenue A, between 2nd and 3rd streets, 212-777-5669, $8.

BASSOONS AND MORE Be-bop bassoonist Daniel Smith performs with pianist Mamiko Watanabe, bassist Michael O’Brien, and drummer Phil Macurano. Tomorrow, 9 and 10:30 p.m., Night and Day, 230 Fifth Ave. at President Street, Park Slope, Brooklyn, 718-399-2161, $10.

JAZZY VIBES Vocalists Judy Niemack and Darmon Meader perform “scatting,” a type of jazz vocal improvisation. They perform along with pianist Jim McNeely, bassist David Finck, and drummer Reggie Nicholson. Tomorrow and Saturday, 9 and 11 p.m., Sweet Rhythm, 88 Seventh Ave. at Bleecker Street, 212-255-3626, $20