mezzao-soprano sung by Cecilia Bartoli mezzo-soprano sung by Cecilia Bartoli soprano sung by Cecilia Bartoli mezzo-soprano sung by Elina Garanca mezzo-soprano sung by Elina Carance mezzo-soprano sung by Joyce DiDonato mezzo-soprano sung by Agnes Baltsa mezzo-soprano sung by Christa Ludwig mezzo-soprano sung by Janet Baker mezzo-soprano sung by Susan Graham