Written By: Big C Photo Credit: Collier Schorr Keychain the new single from Anderson .Paak , featuring K-pop powerhouse aesp , emerges from his directorial debut K-POPS!. Rather than functioning as a detached soundtrack cut, the song operates as a narrative extension of the film’s themes of generational dialogue, cultural crossover, and the music that binds them. The production doesn’t flatten either identity. Sonically, "Keychain" pivots between .Paak’s rhythmic elasticity,