Bert, Ernie, and the Cast of Sesame Street Perform ‘Regulate’ by Warren G and Nate Dogg
by Glen Tickle from Laughing Squid on (#18HX9)

In the latest mashup by Mylo the Cat, Bert, Ernie, and the cast of Sesame Street perform "Regulate" by Warren G and Nate Dogg.
For comparison, here is the original video for the song.