The melodic interest in this setting of the hymn tune HYFRYDOL is the alternating 4/4 and 3/4 meter and how it affects the rhythm of the tune. The melodic interest in this setting of the hymn tune HYFRYDOL is the alternating 4/4 and 3/4 meter and how it affects the rhythm of the tune. Later, syncopation in the accompaniment takes over the interest. Martellatos enhance selected moments as well as the shake and echo articulations. 103 measures.