Mason Chadwick Shefa (/ˈʃɛfə/ SHEF-ə; born May 28, 1993) is an avant-garde filmmaker and sacred music composer based in Studio City, California. He graduated from Yale University in 2015. For his films, Shefa utilizes film formats such as Super-8 and 16mm. In 2016, Shefa published a 248-page collection of his sacred works for a cappella chorus, entitled The First Book of Music: Containing Anthems, Motets, Hymn Tunes, Chants, and Services for the Various Seasons of the Church Year.