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 | E Minor |
| Catalogue | BWV 778 |
| Instruments | Keyboard |
| Links | |
| Autotranslations beta |
Jean-Sébastien Bach: Invention n°7 en mi mineur, BWV 778 Johann Sebastian Bach: Invenzione n. 7 in mi minore, BWV 778 Johann Sebastian Bach: Invention Nr. 7 e-moll, BWV 778 |