Instrumental Duet,Trombone,Trumpet - Level 4 - Digital Download SKU: A0.599789 Composed by Traditional. Arranged by Roger Wallace. Christmas,Jazz,Sacred. 22 pages. Roger Wallace #209008. Published by Roger Wallace (A0.599789). Christmas Duet with Multiple Part Options. The Christmas classic is performed in swing style. The second verse features the melody traded between each part. Designed mainly for family groups such as brass, woodwinds and strings. Mixing voice types can be done with care. See cover sheet on arrangement for instrumentation. The audio sample represents a Brass Duet (Trumpet, Trombone).This arrangement is also available for many other ensembles and soloists. Look for more arrangements by Roger Wallace.