In what seems to be an annual tradition, techno lynchpin Anthony Child (a.k.a. Surgeon) has shared his recent ambient set from Welsh festival Freerotation. During the session, Child—who we featured as part of our In the Studio series last year—improvised live on a Buchla Music Easel among other pieces of gear. The 90-minute set "took place in a yurt with the audience so as to give us the experience of traveling together," according to a brief write-up on SoundCloud. Stream and download it in full below.