Johann Sebastian Bach
| BWV | 1019a |
| Title | Sonata |
| Composed | 1717, Cöthen |
| Key | G-Major |
| Scoring | Violin Piano or Harpsichord |
| Movements | Cantabile,
ma non poco Adagio Adagio |
| Category | Sonata |
| Manuscript | Estate C. Ph. E. Bach; High School for Music, Berlin; Royal library, Copenhavn; International Foundation Mozarteum, Salzburg |