Performs and performed with a.o. Toots Thielemans, Philip Cathérine, Billy Hart, Richie Beirach, Aldo Romano, Mark Levine, Bert Joris, Phil Abraham, Frank Vaganée, the Brussels Jazz Orchestra (with Kenny Werner, Lee Konitz, Maria Schneider, Chris Potter a.m.o.), Erwin Vann, Bruno Castellucci, John Ruocco, Jeroen Van Herzeele, Greetings from Mercury, Laurent Blondiau, Nathalie Loriers, and many others.

Peter Hertmans performed at Jazz festivals in Belgium, France and Holland, toured in Singapore, Austria, Poland, Syria and Lebanon, Tunisia, Algeria, Finland, played in Paris, New York, Dublin, Vilnius and many more cities and won prizes as best soloist (Poland in 1987 and at the Gaume Jazz Festival in 1990). He was nominated for the ‘Django d’Or’ in 2006. In 2007, he wins the Sabam Prize for composition with the piece ‘Tritone Song’ (on ‘Cadences’), again in 2018 with the composition ‘The One Step’.

Peter Hertmans leads his Quartet with Daniel Stokart, Theo de Jong and Lionel Beuvens. He also leads a trio with the famous French duo Charlier/Sourisse (CD ‘Akasha’). He is a member of several bands such as a Quintet around the literary works of his brother, Stefan Hertmans, with Bert Joris, Nicolas Thys and Dré Pallemaerts, a duo with the Spanish guitarist Albert Vila. He is a featured soloist with the Brussels Jazz Orchestra in a production called ‘Kaneelvingers’, based on the literary works of his brother Stefan. He is a member of the new Quintet of Stéphane Mercier, the Quintet of Olivier Collette, the Quintet of Alexandre Furnelle and the Michel Herr Positive Project.

Peter is actually member of the bands around young and talented bassplayer Jonathan Collin-Bouhon and the duo 'Compassion' with saxophonist Erwin Vann. In 2024, he wrote music for string ensemble 'Ataneres' and his trio. This ensemble toured in february 2024 and the music will be released on all streaming platforms on January 6 2025. The production is called 'Inner Stories'.