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 kwintet
Clavius (2019)

Floris Kappeyne trio
Interchange (2017)
Synesthesia (2019)

Channeling The Flood (2020)

Youngwoo Lee kwartet
Timeline (2021)

Lucas Figueiredo Santana Kwintet
Reflections (2021)

Mo van der Does kwartet 
Common Myths (2019)

Lucas Dann trio
Serious Music (2019)

Josse van der Schaft trio
Hollow (2018)

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

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


Tijs Klaassen kwintet – SENA performers award, Dutch Jazz Competition (2021)
Lucas Figueiredo Santana kwintet – Keep an Eye the Records (2020)
Mo van der Does Motet – Keep an Eye the Records (2020)
Tijs Klaassen kwintet – Keep an Eye the Records (2018)

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