lovely voice in this genre. Irina Arkhipova (2 Jan 1925-11 Feb 2010) Russian mezzo-soprano who became a contralto. Cecilia Bartoli (4 Jun 1966-) Italian mezzo-soprano. Coloratura . Rare Baroque roles. Erna Berger (19 Oct 1900-14 Jun 1990) German coloratura lyric soprano leggiero . Famous for her Mozart roles. Agnes Baltsa (19