Volume 3 of Denis Bedard's Organ Works contains works based on hymn tunes including:
Variations on Amazing Grace
Trio on Ave Maris Stella
Fantaisie on Ein Feste Burg
Variations the chorale Freu' dich sehr, o meine Seele
Variations on Herzlich tut mich verlangen
Variations on Kelvingrove
Variations on Lasst uns erfreuen
Communion on Lauda Sion
Variations on Madrid
Choral on O Filii et Filiae
Fantaisie on Picardy
Prelude on Pied-de-port
Improvisation on Salve Regina
Dialogue on Ubi Caritas
Fantaisie on Veni Creator
Postlude on Woodlands