What's the Difference

The song contains a horn section in the instrumental,[1] as well as a sample of "Parce Que Tu Crois" by Charles Aznavour.

[2] Eminem's verse sees him considering the hypothetical situation of killing his girlfriend Kim, rapping that he would put sunglasses on her corpse and drive around with her in the front seat.

[4] Roger Morton of NME praised Eminem's feature, describing him as "cutting through particularly effectively" on the track.

[2] Jackson Howard of The Ringer also praised Eminem's verse, which he described as "mesmerizing, equal parts performance art, battle rap, storytelling, and raw charisma".

[4] Dr. Dre, Eminem, and Xzibit performed the song live on March 16, 2000 at MTV Spring Break.