Johann Sebastian Bach
| BWV | 912a |
| Title | Toccata |
| Composed | 1706, Arnstadt |
| Key | D-Major |
| Scoring | Piano or Harpsichord |
| Movements | Adagio |
| Category | Toccata |
| Manuscript | Estate Johann Peter Kellner; Music library, Leipzig; Johann Sebastian Bach Isntitute, Göttingen; Bach Archive, Leipzig; Bibliothèque Royale, Brussels; Estate Walther Schubring |