Mungo Jerry Mungo Jerry Mungo Jerry are a British rock group who experienced their greatest success in the early 1970s, with a changing line-up that has always been fronted by Ray Dorset. The group's name was inspired by the poem "Mungojerrie and Rumpleteazer", from T. S. Eliot's "Old Possum's Book of Practical Cats". The group's biggest hit was "In the Summertime". They had nine charting singles in the UK, including two number ones, and five top 20 hits in South Africa. Mungo Jerry came to prominence in 1970 after their performance at the Hollywood Festival at Newcastle-under-Lyme, Staffordshire, on 23 May, which
What Was Missing Jake joins in; the band disbands. Finn, dismayed at his friends' behavior, sings "My Best Friends in the World", bemoaning the fact that his friends are fighting. Bubblegum, Marceline, and Jake join in, and the four are able to open the door. Inside, Finn, Jake, and BMO reacquire their belongings. The group also finds a black rock T-shirt which they mistake to be Marceline's. However, it is revealed that it is Bubblegum's; it was a gift given to her by Marceline in the past. Finally the group turn to Marceline, asking what she had lost. When they realise she only