Jan Elf Czerwiński is a loop station master from Gdańsk, a multi-instrumentalist, and a beatboxer. For years, he has created work within the realms of hip hop, jazz, theatre, beatboxing, and vocal performance, which can be heard in his output. He composes music for theatre and for special events (Expo Dubai 2020, Cyrkulacje Festival, Empik's 75th anniversary, the Mololo collective's performance of Little Red Riding Hood – awarded in the Best Off competition finals). He represents the highest global standard in live looping, ranking 17th in the World Championships in Berlin.
In his performances, he focuses on energy and audience interaction.