Musical pairings were all over Wednesday’s late night TV. Nas and Damian “Jr. Gong” Marley tag teamed for a live band take on “As We Enter” on “The Tonight Show with Jay Leno,” while Talib Kweli, DJ Hi-Tek, and Estelle ushered in the “Midnight Hour” with their 1 a.m. performance on “Jimmy Kimmel Live!” For the encore, Talib and Hi-Tek blasted back in time with a classic from Reflection Eternal’s debut album.