Johann Sebastian Bach
| BWV | 902a |
| Title | Prelude and Fughetta |
| Composed | 1720, Weimar |
| Key | G-Major |
| Scoring | Piano or Harpsichord |
| Movements | Prelude Fughetta |
| Category | Prelude and Fughetta |
| Manuscript | Music library, Leipzig; Bibliothèque Royale, Brussels |