Eminem - You Don't Know (8d Audio) - Ft. 50 Cent, Cashis, Lloyd Banks

: High-quality headphones are required to perceive the spatial effect, as the audio is designed to trick the brain into thinking the sound is coming from various directions. Production & Background

: The song debuted at #12 on the Billboard Hot 100 , marking the highest debut for 50 Cent, Lloyd Banks, and Ca$his at that time.

: It reached the top 40 in several countries, including the UK, where it peaked at #32 based on digital downloads alone. : High-quality headphones are required to perceive the

: The track was featured in the WWE film The Condemned (2007) and has been used for player introductions by the Boston Celtics .

: It is characterized by an "Eminem-esque" eerie synthesizer melody in a minor key and a dark, aggressive atmosphere reflective of Shady Records' "gangster phase". : The track was featured in the WWE

: 8D audio uses binaural panning effects to simulate the feeling of the music "moving" around the listener's head in a 360-degree space.

: The track was produced and mixed by Eminem himself, with additional production and keyboards by Luis Resto . : The track was produced and mixed by

"You Don't Know" is a landmark hip-hop collaboration released in as the lead single from the Shady Records compilation album, Eminem Presents: The Re-Up . It features Shady/G-Unit heavyweights Eminem , 50 Cent , and Lloyd Banks , alongside then-new signee Ca$his . 8D Audio Technology