Ivo ANTOGNINI is a composer whose choral works have won awards in many national and international composition events, and are performed all over the world. He is composer-in-residence of the world-class children‘s choir Coro Calicantus. In July 2012, Antognini was invited by the ACDA to present his choral music at the 7^th World Choir Games in Cincinnati OH, USA, where he was one of the adjudicators. In 2013, his O Magnum Mysterium was listed as the “Editor's Choice” by J.W. Pepper. He serves as professor of ear-training and piano at the Conservatorio della Svizzera Italiana in Lugano, Switzerland.