Photo by: Laura Veloso

Tijs Klaassen (1993) picked up the double bass at the age of 19 during his second year at the Conservatory of Amsterdam. Switching from bass guitar to completely focus on the instrument he loves the most. He studied at the faculty with jazz teachers Ernst Glerum, Frans van der Hoeven, Ruud Ouwehand and classical teacher Peter Leerdam. In the last four months of 2017 he studied with David Wong at the Boyer College of Music and Dance in Philadelphia. During his stay in the United States he took private lessons with Ron Carter, Orlando Le Fleming, Rick Rosato and Ben Street. He finished his master studies in 2018 magna cum laude.


Conservatory of Amsterdam Jazz Bachelor (2011 – 2016)
Conservatory of Amsterdam Jazz Master (2016 – 2018)
Boyer College of Music and Dance, Philadelphia (2017-2018 exchange semester)


Tijs Klaassen
Clavius (2019)
Nostalgia (2022)

Matthias Van den Brande
Approaching the Present (2022)

Floris Kappeyne
Interchange (2017)
Synesthesia (2019)

Channeling The Flood (2020)

Youngwoo Lee
Timeline (2021)

Lucas Figueiredo Santana
Reflections (2021)
Ambivalence (2022)

Suzan Veneman
Migrations of the Mind (2022)

Mo van der Does
Common Myths (2019)
Motet (2022)

Lucas Dann
Serious Music (2019)

Josse van der Schaft
Hollow (2018)

Gidon Nunes Vaz
Tribute to KD (2015)
City Lights (2015)
Carry It On! (2017)

Peter Beets/Henk Meutgeert New Jazz Orchestra
The Flying Dutchman (2020)


Matthias Van den Brande Trio – Grand Prix du Jury, Tremplin Jazz Concours Avignon (FR 2022)
Matthias Van den Brande Trio – B Jazz Award (BE 2022)
Tijs Klaassen Quintet – SENA performers award, Dutch Jazz Competition (NE 2021)
Lucas Santana Quintet – Keep an Eye the Records (NE 2020)
Mo van der Does Motet – Keep an Eye the Records (NE 2020)
Tijs Klaassen Quintet – Keep an Eye the Records (NE 2018)

Mo van der Does Quartet – Expression of Art award (NE 2018)
Ian Cleaver Trio – Prinses Christina Concours (NE 2016)
Oosterdok 4 – Prinses Christina Concours (NE 2012)