Chicago-based Ryley Walker and collaborator Charles Rumback of Leaves, L’Altra, and Via Tania released an extensive improvisational recording on Walker’s SoundCloud. The track is serene, ambient, and atmospheric, evoking the vision of a glimmering sun-soaked field — a psychedelic jam session with two genuinely chill performers. The title-less song clocks in at 12 minutes and 40 seconds, and its sound stays pretty much the same throughout, ending in a slowing, muffled drum solo. Listen to the day fade away.