2 soprano solo voices, alto solo voice, tenor solo voice, bass solo voice, SATB / SATB double choir and piano accompaniment (2 Soprano Voice Solo, Tenor Voice Solo, Bass Voice Solo, 2 SATB Choir, Fl, 2 Ob, 2 bassoon, 2 Hn, 2 Trp, timpani, 3trombone, 2 V, 2 Va, Bassi (Vc, double bass), Org) - Difficulty: medium-difficult to difficult Credo and Sanctus, reconstructed and completed by Helmut Eder. Composed by Wolfgang Amadeus Mozart (1756-1791). Edited by Helmut Eder. This edition: urtext edition. Paperback. Barenreiter Urtext. Classical Period and Sacred. Vocal score. With choral notation, piano reduction and introductory text. K. 427 (417a).