The Inventions and Sinfonias, BWV 772–801, also known as the Two- and Three-Part Inventions, are a collection of thirty short keyboard compositions by Johann Sebastian Bach (1685–1750): 15 inventions, which are two-part contrapuntal pieces, and 15 sinfonias, which are three-part contrapuntal pieces. They were originally written as musical exercises for his students.
| Date of composition | 1723 (1720-23) |
| First published | 1801 |
| Type | Invention |
| Tonality | A Minor |
| Catalogue | BWV 784 |
| Instruments | Keyboard |
| Links | |
| Autotranslations beta |
Jean-Sébastien Bach: Invention n°13 en la mineur, BWV 784 Johann Sebastian Bach: Invenzione n. 13 in la minore, BWV 784 Johann Sebastian Bach: Invention Nr. 13 a-moll, BWV 784 |