Bent Knee joins us for an encore performance! This Boston sextet is indescribable, but let me try. Imagine if The Mars Volta decided that they would harness their emotion, get a female singer and add a splash of classical sensibilities to their proggy-art rock. Maybe that comes close. Learn more here. Check out a video made up of photos from the session here.

Artwork by Mandy Newham-Cobb.