Πρωτότυπο: Variations on Thirds. Performance material is available on a rental basis from the publisher. Henry Cowell. 1897-1965. Modern.
Μετάφραση: Variations on Thirds composed by Henry Cowell. For 2 solo violas, strings. Σύγχρονος. Full Score. Διάρκεια 11 λεπτά, 30 δευτερόλεπτα.