Mungo is not only the name of a type of bean, but it was also the name of a a British rock group Mungo Jerry.
The song "In the Summer Time" was released in 1970 and became a number one hit in the UK.
The bonus song (further below) is "Mighty Man" a really funky one from the same album.
Mungo Jerry - In The Summertime
Bonus!
Mighty Man (1970)
Source:
youtube.com