Mah Na Mah Na The Muppets 1969 Greg Harper gregharper2007@hotmail.co.uk British will remember this as the BN biscuit advert tune. All from memory. It was one of the songs I learnt using b7ths. D7 Mah na mah na G7 C Do do do do do D7 Mah na mah na G7 C Do do do do do D7 Mah na mah na G7 C Do do do do do Am D7 Do do do, do do do G7 C Do do do do do do F C Do do do It's correct cos I checked it just now. Great one to teach someone!