Cecilia of Susa, also known as Saint Cecilia, is a Christian martyr and the patron saint of musicians. She is believed to have lived in the 2nd or 3rd century in Rome. Her story is celebrated for her unwavering faith, as she reportedly converted her husband and others to Christianity before facing persecution. Her feast day is observed on November 22, and she is often depicted in art with musical instruments, symbolizing her connection to music. Cecilia is venerated in both the Roman Catholic Church and the Eastern Orthodox Church, highlighting her enduring legacy in Christian tradition.