Animal Collective stopped by KCRW’s Morning Becomes Eclectic program for a chat and a live session, a performance in which they played the rare cut “Crimson. It’s a warped, undwinding, Avey Tare-led track they play live occasionally, but it hasn’t been formally recorded. Stream it below.

You can hear the full session here. Check out our recent countdown of AnCo’s 10 Best Songs here.