Mahna Mahnam

"Mahna Mahna," originally titled "Mah-Na Mah-Na," was written by composer Piero Umiliani for an Italian documentary about life in Sweden, titled Svezia, Inferno e Paradiso (Sweden, Heaven and Hell). It is a nonsense song that achieved widespread fame as a classic Muppet sketch.

The most famous Muppet rendition of the song debuted on The Ed Sullivan Show in 1969, where it was performed by Mahna Mahna and his back-up singers, the Snowths. This version of the skit was restaged many times on a number of variety shows before being featured as the opening number in the premiere episode of The Muppet Show.

The number became popular enough that it was spoofed by the Muppets themselves in a sketch on Muppets Tonight, in which Kermit the Frog complained to his psychiatrist that the Snowths would appear every time he said the word "phenomena."