Trombone Quartet Bass Trombone - Level 4 - Digital Download SKU: A0.792228 Composed by Ludwig van Beethoven. Arranged by Wilcox, Norman. Classical,Romantic Period. 8 pages. Gordon Cherry #4729059. Published by Gordon Cherry (A0.792228). Beethoven's immortal Moonlight Sonata doesn't seem a likely candidate for Trombones, but Mr. Wilcox has done a lovely job with the gentle 2nd movement Allegretto for Trombone Quartet. Just a few minutes in length, this transcription can be performed by intermediate level musicians.  Tenor clef for the top 2 parts.