Bergen ImproStorband invited musician/composer Anla Courtis (ARG) to work with the band , and together we performed a feedback piece at Bergen Kjøtt back in 2015. In 2019 we had Anla back in Bergen and did another version with different musicians and instrumentation, elaborating the feedback diffusion around the spaces of Landmark/Upstairs/Foaje at Bergen Kunsthall.

An article about Anla Courtis in Ballade back in 2007:

Here is a video from the concert at Bergen Kjøtt in February 2015: