It's a little morbid when you think about it: Johnny Cash singing about a rising flood threatening to force him and his parents out of their home. But Cash went ahead and sang "Five Feet High and Rising" with Sesame Street character Biff, who rather somberly stacks blocks to represent each foot that the song's waters will rise. Fortunately, the song doesn't end with any of his family members drowning, but, rather, with Cash cautioning children to learn how to swim.
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