Five works based on chant for various times during the liturgical year. Introit: Gaudete/ Rejoice (Rejoice in the Lord always; again, I say, rejoice.) Divinum mysterium/ OF the Father's Love Begotten Attende Domine (Hear us, almight Lord, show us your mercy. Sinners we stand before you.) Introit: Laetare/ Rejoice (Rejoice, O Jerusalem; and gather round, all you who love her.) O Filii et Filiae/ O Sons and Daughters