Erfreut euch, ihr Herzen (Rejoice, you hearts), BWV 66, is a church cantata for Easter by Johann Sebastian Bach. He composed it for the Second Day of Easter in Leipzig and first performed it on 10 April 1724. He based it on his congratulatory cantata Der Himmel dacht auf Anhalts Ruhm und Glück, BWV 66a, first performed in Köthen on 10 December 1718.
| Original Name | Erfreut euch, ihr Herzen |
| Librettist | (based on BWV 66a) |
| Date of composition | 1724 |
| Premiered | 1724, April 10th in Leipzig, Germany |
| First published | 1868 (BGA) |
| Dedicated to | 2nd day of Easter (Easter Monday) |
| Type | Sacred Cantata |
| Tonality | D Major |
| Catalogue | BWV 66 |
| Spoken language | German |
| Instruments |
3x
Voice
Chorus/Choir Orchestra |
| Links | |
| Autotranslations beta |
Jean-Sébastien Bach: Rejoice, you hearts en ré majeur, BWV 66 Johann Sebastian Bach: Rejoice, you hearts in re maggiore, BWV 66 Johann Sebastian Bach: Rejoice, you hearts D-dur, BWV 66 |