The service is composed of Psalms, ektenias (litanies), hymns and prayers. The priest's prayers and the deacon's litanies for Vespers and Matins follow. Surviving compositions include four masses, six motets, and three litanies for choir. Then follow seven series of epistles, gospels, long prayers, Ektenias (litanies) and anointings. The "akolouth" (fixed portion of the service) is composed primarily of psalms and litanies. Mass in C major, K. 337 "Solemnis" (1780), various litanies, and vespers. Many other litanies are used in private prayer. In the following year (1576) these Scriptural litanies were printed for the use of pilgrims. On these occasions the ancient litanies are still used. Antiphons and litanies are provided for the seasons of the church year. The album is most noted for "The Sub-Sylvian Litanies", which opened Side A. His most famous work is "Litanies", composed in 1937. His main school of thought, of whose litanies he practiced, was however Chisti-Sabiri order. In both these cases the litanies are stated to have been long in use.