I first heard this on the Giles Peterson show when Kon was a guest. That entire show was filled with remixes by Kon and crazy studio cuts/acapellas that I've never heard before. And Teena at the end??? Good lord, that made me cry. She sounds so young and hungry.
Listen to the mix below Gilles Peterson featuring Kon (Kon & Amir/BBE Records) by souloftheboot