There are at least three artists with the name Madness:
1) a British pop ska band from London, formed in 1976
2) an American rapper from Florida
3) a Brazilian death metal band. 1) Madness is a British pop/ska band from Camden Town, London, England that formed in 1976. As of 2007, the band has continued to perform with their most recognised lineup of seven members, although it's varied slightly over the years. They were one of the most prominent bands of the late-70s2 toneska revival.