For the last 20 years, Pi Recordings has been a home and haven to the avant-garde, including first-wave members of the AACM. The Checkout catches up with label co-founders Seth Rosner and Yulun Wang, who say the mission is ongoing.

9 Horses: A Chamber Trio Scales Up with 'Omegah'

Voted "Best Jazz Podcast" in the JazzTimes Critics' Poll for four consecutive years, The Checkout championed the music we call jazz — along the trend lines and on its outer edges. Hosted, produced and curated by Simon Rentner, the show focused on the compelling personal narratives behind today's most exciting artists.Check out the rest of our line up at WBGO Studios.