Table of Content Introduction. Intepretatio. Less is More. Music is Not only About Music. On Accent Silentium.. What a Conductor is Not The Issue of Modernity in Choral Music. The Aesthetic of Conducting: How the Beauty of a Gesture Affects Performance. Missing the Sign: Gregorian Chant and Semiology. System Theory and Choral Music. For a Theology of A Cappella Music. Recent Trends of A Cappella Music around the World. Making Music in the Dragon's Land: An Italian Priest and Macau in the 1920s. Music is Experience: The Life and Choral Music of Domenico Bartolucci Bibliography.