“Auf, schmetternde Töne der muntern Trompeten” BWV207a
Royal/electoral name day
The royal/electoral name day cantata "Auf, schmetternde Töne der muntern Trompeten," formerly numbered BWV 207a, is listed in the third edition of the Bach Werke-Verzeichnis as BWV 207.2. Text and translation are available at the link below.