Guido van Dieren, also known as DJ Thelonious, made his debut at the end of the 90's in Rotterdam's Nighttown Café. Nowadays, he is a well-known name within the DJ scene. He is always searching for new music and sounds, especially in UK funky, hip-hop, nu soul, afrobeat, latin dubstep and house. Onno Paloma, real name Onno Post, has been a DJ for over thirty years. He is the resident DJ at Rotterdam's LantarenVenster and has a broad knowledge of music as well as an eclectic way of spinning. On the North Sea Jazz stage, the music friends will combine forces for a set entitled Jazzism presents: the JazzNotJazz Sound of Rotterdam.