Throughout the 1990s, Stretch Armstrong & Bobbito The Barber created a radio program that may as well have been the farm club to the Rap hall of fame. These two New York City DJs honored Hip-Hop 12″ singles of the day, while welcoming would-be stars like Nas, Mobb Deep, Pharoahe Monch, and more up to the Columbia University radio students for their twilight show.

With a new film, a website, and classic show cassettes on sale, Stretch & Bob’ laced Soundcloud with 25 tracks worth of WKCR highlights. From Slick Rick to Kool Keith, Organized Konfusion to the Artifacts, Big L to Akinyele, O.C. to Mobb Deep, there is a ton to love about this generous post—from the guys responsible for the platform. Go back to a time where improvisational moments in the lab led to deals, hit records, and legacies that are still being determined:

Related: Stretch Armstrong & Bobbito Brought Their Vibes To HOT 97 In ’96 (Mix)