Instrumental Duet,Piano Instrumental Duet,Piano,Trombone - Level 2 - Digital Download SKU: A0.622590 Composed by Irving Berlin. Arranged by Stephen DeCesare. Jazz. Score and parts. 10 pages. Exultet Music #3689759. Published by Exultet Music (A0.622590). The popular song written by Irving Berlin, best known from the 1954 movie White Christmas has now been arranged as a duet for Trombone with Piano accompaniment. Accessible and appropriate for any school or concert setting.