Missa O Quam Gloriosum Est Regnum: Mass for Four Voices

(Music Sales America). Missa O Quam Gloriosum est Regnum edited and arranged for modern use by Henry Washington. Tomas Luis de Victoria left eighteen Mass compositions. His Missa O Quam Gloriosum Est Regnum , the best-known, was included in the First Book of Masses, published in Rome in 1583 with a dedication to King Philip II of Spain.