Instrumental Duet,Piano Clarinet,Flute,Instrumental Duet,Piano - Level 2 - Digital Download SKU: A0.622214 Composed by Pietro A. Yon, St. Alphonsus de Liguori. Arranged by Stephen DeCesare. Christian,Christmas,Sacred,World. Score and parts. 15 pages. Exultet Music #3601967. Published by Exultet Music (A0.622214). Two of the most beloved Italian Christmas Carols have been joined together in one anthem that is arranged as a duet for Flute and Bb-Clarinet with Piano accompaniment. Accessible and appropriate for any church or concert setting.  .