Johann Caspar Kerll (9 April 1627 – 13 February 1693) was a German baroque composer and organist. He is also known as Kerl, Gherl, Giovanni Gasparo Cherll and Gaspard Kerle. Born in Adorf the son of an organist, Kerll showed outstanding musical abilities at an early age, and was taught by Giovanni Valentini, court Kapellmeister at Vienna. Kerll became one of the most acclaimed composers of his time, known both as a gifted composer and an outstanding teacher. He worked at Vienna, Munich and Brussels, and also travelled widely. His pupils included Agostino Steffani, Franz Xaver Murschhauser, and possibly Johann Pachelbel, and his influence is seen in works by Handel and Johann Sebastian Bach: Handel frequently borrowed themes and fragments of music from Kerll's works, and Bach arranged the S