Mezzo-soprano Magdalena Kožená, or Lady Rattle if you are so inclined, became a popular and critically celebrated figure in Europe before the age of 30. She was touted as the chief competitor to Cecilia Bartoli (although there is no evidence of a personal rivalry between the two). Her area of primary expertise is 18th century music, particularly Bach, but she has also had success in more Romantic opera and song repertory. Kožená's voice has been variously described as "sweet" and "fiery and melting," depending on her repertory; more constant attributes include her vocal agilit...