Sheet music for solo voice (part included in Latin text) and piano/organ - key : D . Ave verum corpus (Hail, true body), (K. 618), is a motet composed by Wolfgang Amadeus 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 in Baden bei Wien. The motet was composed for the feast of Corpus Christi; the autograph is dated 17 June 1791. It is scored for SATB choir, string instruments and organ.