Mahna Mahna & Snowths | The Muppet Show 1977 🎶

The best version of The Muppet Show sketch, Episode 101: guest starring Juliet Prowse, aired in the UK on January 16, 1977. Song written by Piero Umiliani and sung by Bip Bippadotta (Jim Henson) and the two Snowths (Frank Oz), complete with Kermit's introduction and ending commentary by Waldorf and Statler.

Links and further information:

Muppet Wiki
https://muppet.fandom.com/wiki/Episode_101:_Juliet_Prowse
https://muppet.fandom.com/wiki/Mah_Na_Mah_Na
http://muppet.wikia.com/wiki/Mahna_Mahna
https://muppet.fandom.com/wiki/The_Snowths

Wikipedia
http://en.wikipedia.org/wiki/Mahna_mahna

The original song sketch version of 1969:
https://www.youtube.com/watch?v=v2P68iML-VM

And song sketch version No. 2 of 1969:
https://www.youtube.com/watch?v=MuqClmxp_Ng