Related Information for Mills Brothers The Mills Brothers, sometimes billed as The Four Mills Brothers, were a U.S. jazz and pop vocal quartet.The group was originally composed of four brothers all born in Piqua, Ohio: John Jr (1911-1936) basso and guitarist, Herbert (1912-1989) tenor, Harry (1913-1982) baritone, and Donald (1915-1999) lead tenor. Their father owned a barber's shop, and founded a barbershop quartet called the Four Kings of Harmony. As the boys grew older, they began singing in the choir of the Cy.. read more