The Traditional Latin Mass is celebrated in several distinct ceremonial modes. The three following are the most common.
· Solemn High Mass—the Priest is assisted by a Deacon and Subdeacon and the Mass is chanted.
· Sung Mass—The Mass is chanted but the Priest is not assisted by any ministers. Incense may be used.
· Low Mass—The Mass is not chanted and the Priest is not assisted by any ministers.