Who has sung in more bands, Moon Hee-joon or Angela Gossow?
Moon Hee-joon:  He initially rose to fame as the leader of former boy band H.O.T. under SM Entertainment. Angela Gossow: Angela Nathalie Gossow (born 5 November 1974) is a German vocalist, best known as the former lead vocalist for the Swedish melodic death metal band Arch Enemy. Angela Gossow:  Her other previous bands include Asmodina and Mistress.
Angela Nathalie Gossow