Trombone Solo - Level 1 - Digital Download SKU: A0.789012 Composed by Piae Cantiones. Arranged by John Groves. Christmas,Concert. Individual part. 2 pages. John Groves #6658853. Published by John Groves (A0.789012). Good King Wenceslas for pBuzzArrangement features easier to read over-sized alpha-notation for the beginning pBuzz student. Works great for classes and individual practice, holiday events, etc.