Woodwind Ensemble Clarinet - Level 5 - Digital Download SKU: A0.782229 Composed by Wolfgang Amadeus Mozart. Arranged by James Haynor. Classical,Praise & Worship. 13 pages. James Haynor #3684737. Published by James Haynor (A0.782229). Ave verum corpus (Hail, true body), ( K. 618), is a motet in D Major composed by Wolfgang Amedeus Mozart in 1791. It is a setting of the Latin hymn Ave verum corpus. Mozart wrote it for Anton Stoll, a friend who was the church musician of St. Stephan. The motet was composed for the feast Corpus Cristi; the autograph is dated 17 June 1791. It is scored for SATB Choir, string instruments and organ. Scored here for 6 Bb Clarinets, Bass Clarinet and Contrabass Clarinet. Duration : 3:09