Below you can find the Some consider dame joan sutherland the 20th century's best opera singer in this vocal class Jeopardy Words Answer. The answer to Some consider dame joan sutherland the 20th century's best opera singer in this vocal class has 7 letters. This clue belongs to the Aussies category and is part of Jeopardy Word Level 2245. If you scroll near the bottom you will find other clues and answers part of level 2245