sentences:  Most of the time it is in the tenor, suggesting that it may have been originally drafted as a cantus-firmus mass early in Josquin's career, and later reworked as a paraphrase mass with the ostinato appearing in all voices in different permutations.Not only does the five-note figure appear throughout, but it appears in compositional permutations such as retrograde (Mi-Re-Fa-Sol-La), occasionally making palindromic figures as a result of retrogrades appearing immediately before or after statements of the figure in its original form.In addition, Josquin uses the figure in each of the three hexachords available to Renaissance music theory