Brass Ensemble Horn,Trombone,Trumpet - Level 3 - Digital Download SKU: A0.802691 Composed by Michael Praetorius. Arranged by Peet du Toit. Contemporary. Score and parts. 8 pages. Peet du Toit #6506801. Published by Peet du Toit (A0.802691). Michael Praetorius (probably 28 September 1571 – 15 February 1621) was a German composer, organist, and music theorist. He was one of the most versatile composers of his age, being particularly significant in the development of musical forms based on Protestant hymns.