NYC jazz jams

Smalls Jazz Club — Late Jam

When: Nightly · ~11:45p–4a (after last set)
Venue: Smalls Jazz Club — Late Jam
Address: 183 W 10th St
Type: Jazz Jam
Sign-up: House rhythm section · sign in with host
Cost: Cover/ticket (≈$20–35)

NYC's benchmark late-night jazz jam; strongest Thu–Sat. Vocalists welcome when charts are solid — bring keys.

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Checked 2026-08

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Mezzrow — Vocal Jam in the Café

When: Select nights · ~10p–12a
Venue: Mezzrow — Vocal Jam in the Café
Address: 163 W 10th St
Type: Jazz Jam
Sign-up: Sign in with host vocalist
Cost: Cover/member

SmallsLIVE's singer-focused jam across the street (café room) — e.g. vocalist-hosted Tuesday sessions, Aug 2026 listings. Check SmallsLIVE calendar for 'Vocal Jam'.

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Checked 2026-08

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Mona's Hot Jazz Jam

When: Tue (+Mon bluegrass) · ~10:30p–late
Venue: Mona's Hot Jazz Jam
Address: 224 Avenue B
Type: Jazz Jam
Sign-up: Show up with your horn/voice
Cost: Free · drink
Phone: (212) 353-3780

Legendary trad-jazz session Tuesdays; old-time/bluegrass Mondays. Deep-cut rite of passage; listed active on 2026 jam directories.

Checked 2026-08

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Jazz WaHi Jam @ Kismat

When: Tue · 7:30–10p
Venue: Jazz WaHi Jam @ Kismat
Address: 603 Fort Washington Ave
Type: Jazz Jam
Sign-up: Sign up with host
Cost: Free · tip/food

Weekly uptown jam (450+ editions), now at Kismat Indian restaurant. Singers welcome. Same address as the 2023 listing — organizer continues.

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Checked 2026-08

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American Legion Post 398 Jam

When: Sun · 6–10p
Venue: American Legion Post 398 Jam
Address: 248 W 132nd St
Type: Jazz Jam
Sign-up: Sign the book
Cost: Free · buy food/drink

Organ-jazz institution with the Harlem Groove Band — one of the warmest sit-in rooms in the city. Singers absolutely welcome.

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Checked 2026-08

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NAMA 'Lions Den' Jam

When: Wed (Mar–Dec) · evenings
Venue: NAMA 'Lions Den' Jam
Address: 107 W 130th St
Type: Jazz Jam
Sign-up: With host
Cost: Low/free

New Amsterdam Musical Association (oldest Black musicians' org in the US) — young lions jam with masters, run with Harlem Late Night Jazz.

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Checked 2026-08

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Patrick's Place — Jazz Jam

When: Fri · evenings
Venue: Patrick's Place — Jazz Jam
Address: 2611 Frederick Douglass Blvd
Type: Jazz Jam
Sign-up: With host
Cost: Food/drink
Phone: (212) 491-7800

Supper-club jam listed on current jam directories and Big Apple Jazz's 2025 survey ('Patrick's on the Hill').

Source

Checked 2026-08

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Sour Mouse — Sunday Jorei Jazz Open Mic + Wednesday Jazz Jam

When: Sunday + Wednesday · Sun 3:00–7:00 PM; Wed 8:00–11:00 PM
Venue: Sour Mouse — Sunday Jorei Jazz Open Mic + Wednesday Jazz Jam
Address: 110 Delancey St
Type: Jazz Jam
Sign-up: Jorei: singers and musicians may sign up or sit in; Wednesday: house band 8–9, jam 9–11
Cost: No cover
Phone: (973) 951-4145

This Sour Mouse record remains valid for its current Sunday Jorei and Wednesday jam programs. Jorei's separate Tuesday series at Sugar Mouse is a distinct event and must not overwrite this venue.

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Checked 2026-08-15

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Dizzy's Club — Late Night Session

When: Fri–Sat · ~11:30p
Venue: Dizzy's Club — Late Night Session
Address: 10 Columbus Cir, New York, NY 10019
Type: Jazz Jam
Sign-up: Curated · sit-ins at host's call
Cost: ~$10–25
Phone: (212) 258-9595

Jazz at Lincoln Center's late set — young pro scene; some nights function as a session. Gorgeous room over the park. Late night sessions Thu-Sat 10:45 PM, $15 at the door, no reservation needed · Current official Late Night Sessions: Thursday-Saturday at 10:45 PM; FRIDAY is the w

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Checked 2026-08-15

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Jazz Foundation Monday Night Jam @ National Jazz Museum in Harlem

When: Monthly — published dated schedule · 6:00 PM–8:30 PM
Venue: Jazz Foundation Monday Night Jam @ National Jazz Museum in Harlem
Address: 58 W 129th St, Ground Floor, New York, NY 10027
Type: Jazz Jam
Sign-up: Arrive early and sign up
Cost: Free
Host: Jazz Foundation of America
Phone: (212) 245-3999

Current 2026 dates are published through October, with November and December dispositions shown on the organizer schedule. Venue and organizer are separate entities.

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Checked 2026-08-15

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Ornithology Jazz Club — Nightly Jam

When: Nightly (late) · after last set (~9p–12a)
Venue: Ornithology Jazz Club — Nightly Jam
Address: 6 Suydam St
Type: Jazz Jam
Sign-up: With host
Cost: Free/tip (no cover club)
Phone: (917) 231-4766

No-cover listening room with late jams; sister Café Ornithology nearby also runs sessions. Alive and busy (Yelp Aug 2026).

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Checked 2026-08

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Marian's — Jazz Jam

When: Thursday · 8:30 PM–11:30 PM
Venue: Marian's — Jazz Jam
Address: 108 Patchen Ave
Type: Jazz Jam
Sign-up: With host
Cost: Tip
Host: Matt La Von and rotating house band

Weekly Thursday live jazz and jazz jam; first upright bassist to sit in receives a beer on the house band's tab. The deployed (253) number is propagated across unrelated records and is not Marian's contact.

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Checked 2026-08-15

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Bā'sik Jazz Jam Session @ Kato Sake Works

When: Sunday · 7:00 PM–10:00 PM
Venue: Bā'sik Jazz Jam Session @ Kato Sake Works
Address: 379 Troutman St, Brooklyn, NY 11237
Type: Jazz Jam
Sign-up: With host
Cost: One-drink minimum; $10 suggested performer donation
Host: Matt La Von / Keyed Up Jazz
Phone: (917) 719-1603

The long-running jam moved from the closed Bā'sik bar to Kato Sake Works.

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Checked 2026-08-15

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The Keep — Jazz Jam

When: Wed · ~10p
Venue: The Keep — Jazz Jam
Address: 205 Cypress Ave
Type: Jazz Jam
Sign-up: With host
Cost: Free
Phone: (718) 381-0400

Oddities-bar late jam; still appearing on current jam directories (Groovehub 2026). Ridgewood Jazz Fest anchor neighborhood.

Source

Checked 2026-08

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Starr Bar — Pulse Sessions

When: Wednesday · 10:00 PM–2:00 AM
Venue: Starr Bar — Pulse Sessions
Address: 214 Starr St, Brooklyn, NY
Type: Jazz Jam
Phone: (718) 821-1100

NEW EVENT ROW AT AN EXISTING VENUE (nyc-065 = Starr Bar - Monday Open Mic / Art vs Life). Current weekly hip-hop/jazz jam; instrumentalists and vocalists may bring instruments and join. Phone (718) 821-1100 confidence MEDIUM (business listing), reverify. 'Full equipment backline'

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Checked 2026-08-14

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Ornithology Jazz Club — Late Jam

When: Nightly · Late jam after scheduled sets; commonly around 11:30 PM
Venue: Ornithology Jazz Club — Late Jam
Address: 6 Suydam St, Brooklyn, NY 11221
Type: Late-night jazz jam
Cost: Current cover/minimum varies by night; confirm before arrival
Phone: (917) 231-4766

Do not hard-code a daily cover from the third-party registry; venue policies may vary by night.

Source

Checked 2026-08-15

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