A Solemn High Mass is celebrated by a Priest who is assisted by a Deacon and Subdeacon, instead of Altar Servers. Most parts of the Mass are sung and incense is used. A complete set of Solemn High Mass vestments includes the following: a chasuble with stole, maniple, chalice veil and burse; a dalmatic with Deacon’s stole and maniple (worn by the Deacon); a tunicle with maniple (worn by the Subdeacon); and cope with humeral veil.