James Blunt's monster hit single, "You're Beautiful," filled airwaves in 2005 and has grated nerves ever since. In 2007, he appeared on Sesame Street with this far more entertaining paean to a geometric ideal. "The top was very narrow," Blunt murmurs, "and the base was, oh, so wide."
Top 10 Celebrity Sesame Street Songs
On Sept. 23, news broke that Sesame Street producers decided not to air singer Katy Perry's rendition of her song "Hot N Cold" because the outfit she wore was deemed too risqué for children. TIME looks at Sesame Street celebrity songs that made an impression