OC Not the hardest one I did, but one of my favorites, for sure. Untitled; Peef.
OC This is an older one I did; It's Thinking, by me.
Nujabes & Hydeout Productions Restoration Project (nujabesproject.blogspot.com)
Archiving and preserving the analog recordings of the late great Nujabes and his label: Hydeout Productions.