When English soprano Emma Kirkby began her professional career in the mid-'70s, period performance practice was just beginning to make its way into the realm of vocal music. Kirkby, mentored by Jessica Cash, became a pioneer of period practice for Renaissance and Baroque vocal soloists. She studied classical literature at Oxford and took vocal lessons, but did not plan on becoming a singer. She joined the Taverner Choir in 1971, and a couple of years later, she began a long-lasting collaboration with the Consort of Musicke. She made her 1974 concert debut in London and her fir...