Olli Ahvenlahti New Quartet is a high-level jazz quartet that performs compositions by Olli Ahvenlahti. The quartet have performed lately at G Livelab, Flow Festival, Kerava Jazz, Pori Jazz and Korppoo Sea Jazz.

Olli Ahvelahti released a new jazz album Thinking, Whistling (We Jazz Records) in December 2017. In the album Ahvenlahti "updated" himself as a jazz composer and performing jazz pianist.

Olli Ahvenlahti - piano   
Jaska Lukkarinen/Ville Pynssi - drums
Jussi Kannaste - sax
Antti Lötjönen/Ville Herrala, bass