O Ewigkeit, du Donnerwort (O eternity, you word of thunder), BWV 20, is a church cantata by Johann Sebastian Bach. He composed it in Leipzig for the first Sunday after Trinity Sunday and first performed it on 11 June 1724. It is the first cantata he composed for his chorale cantata cycle, the second annual cycle he started in Leipzig. The cantata is based on Johann Rist's hymn "O Ewigkeit, du Donnerwort" (1642), with a chorale melody by Johann Schop.
| Original Name | O Ewigkeit, du Donnerwort |
| Librettist | Johann Rist (1607-1667) (Nos.1, 7, 11) Anonymous (Nos.2-6, 8-10) |
| Date of composition | 1724 |
| Premiered | 1724, June 11th in Leipzig, Germany |
| First published | 1852 (BGA) |
| Type | Sacred Cantata |
| Tonality | F Major |
| Catalogue | BWV 20 |
| Spoken language | German |
| Instruments |
3x
Voice
Chorus/Choir Orchestra |
| Links | |
| Autotranslations beta |
Jean-Sébastien Bach: O eternity, you word of thunder en fa majeur, BWV 20 Johann Sebastian Bach: O eternity, you word of thunder in fa maggiore, BWV 20 Johann Sebastian Bach: O eternity, you word of thunder F-dur, BWV 20 |