The Mass No. 13 in B-flat major, Hob. XXII/13, was composed by Joseph Haydn in 1801.^[1] It is known as the Schöpfungsmesse or Creation Mass because of the words "qui tollis peccata mundi" in the Gloria. He recycled music from Adam and Eve's final duet in The Creation,^[2] a fact which scandalized Empress Maria Theresa so much that she ordered Haydn to recompose that passage for her own copy.^[3]

The recurrent motif in measure 51 of the Gloria is identical to the solo soprano/tenor motif in measure 13 of "Der Herr ist Groß" from Haydn's "Die Schöpfung".

The work was first performed on 13 September 1801.^[4] It consists of six movements:

1. Kyrie, Adagio, B-flat major, 3/4

   Kyrie, Allegro moderato, B-flat major, 6/8

2. Gloria, Allegro, B-flat major, alla breve

   Qui tollis, Adagio, E-flat major, 3/4

   Quoniam tu solus sanctus, Molto vivace, B-flat major, common time

   In gloria Dei Patris, Presto, B-flat major, common time

3. Credo, Vivace, B-flat major, common time

   Et incarnatus est, Adagio, G major, 3/4

   Et resurrexit, Allegro, B-flat major, common time

   Et vitum venturi, Più Allegro, B-flat major, common time

4. Sanctus, Adagio, B-flat major, common time

   Pleni sunt coeli, Allegro, B-flat major, common time

5. Benedictus, Allegretto, E-flat major, 6/8
6. Agnus Dei, Adagio, G major, 3/4

   Dona nobis pacem, Allegro moderato, B-flat major, alla breve

• Heartz (2009) Daniel. New York. Mozart, Haydn and Early Beethoven: 1781 — 1802 W. W. Norton & Co.
• Holoman (1992) D. Kern. New York Evenings with the Orchestra: a Norton Companion for Concertgoers W. W. Norton & Co.
• Hughes (1974) Rosemary. London. Haydn J. M. Dent & Sons Ltd

• Mass in B-flat major, Hob.XXII:13 (Haydn, Joseph): Scores at the International Music Score Library Project
• Free scores of Schöpfungsmesse in the Choral Public Domain Library (ChoralWiki)

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