Brass Ensemble Horn,Trombone,Trumpet - Level 2 - Digital Download SKU: A0.678333 Composed by Franz X. Gruber. Arranged by Gert Th. Walter. Children,Christian,Christmas. Score and parts. 6 pages. Gert Th. Walter #3362539. Published by Gert Th. Walter (A0.678333). Christmas Song. Very easy arrangement for pupil and beginners.