Mungo Jerry is a British rock group, best known for their success in the early 1970s, with their most famous hit In the Summertime. 🌟 Led by Ray Dorset, the band has had a changing lineup over the years but has remained a prominent figure in British rock. 🎸 The group’s name was inspired by T.S. Eliot's poem Mungojerrie and Rumpleteazer from Old Possum's Book of Practical Cats.