22 Jul 2010 ... There are many wonderful female opera singers performing on the ... was and is one of the most influential singers of the late 20th century.
Splitting hairs between greats is neither politic or productive. Callas, not the prettiest voice, was - as were Schwarzkopf and several others at least, ...
One of the leading operatic singers of the 20th century,; Sarah Brightman ... first major female star (or prima donna), Anna Renzi, dates to the mid-17th century.