A century after Joan Sutherland's birth, singers reflect on how La Stupenda's artistry, bel canto revival and Australian success continue to inspire. newsiviewlistenLoading ABC NewsNews HomeWho was Dame Joan Sutherland, and why was she called La Stupenda ShareShare articleWho was Dame Joan Sutherland, and why was she called La Stupenda By Ria Andriani. Joan Sutherland at her 1990 farewell performance at the Sydney Opera House.