Go directly to IMSLP.org , type “Missa Solemnis” into the search bar, and choose the Beethoven entry. Filter by “Complete Score” and download the Breitkopf & Härtel edition (ca. 1880) – it’s perfectly clear and public domain.

| Movement | Latin Text | Key features | |----------|------------|---------------| | 1. Kyrie | Kyrie eleison | D major, slow, fugal ending | | 2. Gloria | Gloria in excelsis Deo | Fast, triumphant, long | | 3. Credo | Credo in unum Deum | D major → B♭, massive fugue on “et vitam venturi” | | 4. Sanctus | Sanctus, Sanctus, Sanctus | Includes a violin solo (“Benedictus”) | | 5. Agnus Dei | Agnus Dei, qui tollis peccata mundi | D minor → D major, includes martial “Dona nobis pacem” | Because Beethoven died in 1827, his score is in the public domain worldwide. Rossini’s (d. 1868) is also public domain.