Sir John Eliot Gardiner is an English conductor, particularly known for his performances of the works of Johann Sebastian Bach, especially the Bach Cantata Pilgrimage of 2000, performing Bach's church cantatas in liturgical order in churches all over Europe, and New York City, with the Monteverdi Choir, and recording them at the locations.

Claudio Giovanni Antonio Monteverdi was an Italian composer, choirmaster and string player. A composer of both secular and sacred music, and a pioneer in the development of opera, he is considered a crucial transitional figure between the Renaissance and Baroque periods of music history.