Whatever the reason, a new precedent was set but that alone was not enough to impress the London Stans who had not seen Eminem perform in their city since 2001. And so, Eminem brought out his longtime producer Dr. Dre to perform a song.

Dre came out at just before the two-minute mark of the video above to perform a medley of hits, including, "Still D.R.E.," "Nuthin' But a 'G' Thang," "Forgot About Dre" and "The Next Episode."