SA. OCT. 10, 2026 – Common Ground Music Festival, Zwollen/NL

DUO with Billy Test, the theme is a mix of classical influenced improv repertoire… www.commongroundfestival.nl | www.commongroundinconcert.nl Instagram | Facebook | LinkedIn | YouTube | Spotify T: +31 (0)6 11 86 6262 |

Oct. 21 and 23, 2026: NUBLU and NYJW with long time collaborator Nikolaj Hess. NYC

Oct. 21 in NUBLE / Quartet, 151 Ave.COct. 23 at the NYJW main space: 265W 37th st. 10th floor 8pm

Oct. 26, Birthday hang of Kenny Wessel!!

This will be a great night, with a lot of stellar musicians getting into the mix. His age is classified…. At Pisticci on 125 Lasalla st., NYC, 6-9pm

Nov.10, 2026 – Celebrating the life and music of FRANK KIMBROUGH.

This will be absolutely amazing. Many of the stellar musicians that played with Frank in the past will perform including yours truly. This will be a beautiful night that I am very much looking forward to. We all LOVE Frank Kimbrough. Greenwich House

Copenhagen Jazz Festival 2026 | July 9 – 13.

With NIKOLAJ HESS – JORGEN RUEKER – JAYLA CHEE Thursday July 9: Bellahøj Church 4pm Duo Friday July 10: Cafe Parforce, Klampenborg, 12pm Quartet Friday July 10: as guest at Enghave Plads with singer Lo Ersare 7pm Friday July 10: Galathea Kroen 9pm Qu

Sunday April 26 – with SYOTOS

Goodwill Theatre Inc.’s SCHORR FAMILYFIREHOUSE STAGE, 48 Willow Street, Johnson City, NY 13790,2pm The band and charts from CHRIS WASHBURNE, killin’ band. Happy to jump into. Chris Washburne – tromboneVince Cherico – drumsLeo Traversa – bassSkylar Ta

Playing at NUBLU, NYC

MAY 26, 2026With the band of Nikolaj Hess, Inc. me and: Luques Curtis – bassBen Perowsky – drums. Killin’ band 🎉, great music.

COTANGENT .. a tribute to pianist/composer BILL GERHARDT

Wednesday May 20th, 2026Greenwich House Music School48 Barrow St. New York, NY7:30 and 8:30pm Ron Horton – trumpetMarc Mommaas Gary Versace – pianoDean Johnson – bassTim Horner – drumsGuest – Marty Ehrlich

HJW in Hudson Hall

Playing and teaching in hudson. Concert on:AUG.9 – 2026 With Armen Donelian – pianoSteve Cardenas – guitar https://www.hudsonjazzworks.org/index.html

DUO Marc Mommaas + Nikolaj Hess

May 30, 20267pm / reservations only.At the NYJW mainspace.265W 37th street, 10th floor https://newyorkjazzworkshop.com/concerts/