Discussion and analysis of the seventeen works composed between 1976 and 1982 starting with Für Alina (1976), and continuing with several works that are part of the established canon and are among his most popular pieces: Cantus, Tabula Rasa, and Missa syllabica. Discussion of the organ in Pärt’s music as an introduction to the solo works and the choral works with organ. Deailed analyses of several works, including Summa and Annum per Annum, using different analytical techniques. Extended analysis of Passio, the pinnacle of early tintinnabulation, contextualizing it both in Pärt’s chronology and the development of passion settings in the twentieth century.