Mumi has 3 Grade 2 concerts.

Grade 2 is an English band from Ryde on the Isle of Wight. Their music is described as a classic punk sound, and features lyrics about everyday problems. The band was formed in May 2013, initially playing covers from the punk era by The Stranglers and The Jam, as well as oi! music by Booze and Glory and Lion's Law. They began to write original songs and performed regularly in local pubs and clubs, and gained exposure by successfully supporting established bands.