Classical music voice teachers or from completion of a formal program offered by a Conservatory, college or university, such as a Bachelor of Music or Master of Music degree (which includes individual lessons from professors). In classical music, "...extensive formal music education and training, often to postgraduate [Master's degree] level" is required. Performance of classical music repertoire requires a proficiency in sight-reading and ensemble playing, harmonic principles, strong ear training (to correct and adjust pitches by ear), knowledge of performance practice (e.g., Baroque ornamentation), and a familiarity with the style/musical idiom expected for a given composer or musical work (e.g., a Brahms
Women in classical music the soloist setting more frequently in recent years. Pianist (and composer) Clara Schumann and vocalist Jenny Lind were two rarer examples prominent in the nineteenth-century. One of the first historically recorded women in medieval music was Hildegard of Bingen, who wrote religious songs in the 12th century. Women have also been necessary for the functioning of choirs, which require the upper register that women can sing, although Pope Leo IV (847–855 A.D.) banned women in choirs from singing in churches, and Pope Pius X banned women from church choirs in 1907. Antonio Vivaldi led an all-girl orchestra in 1714 at