Did W. F. Bach copy J. S. Bach in this piece?
Please consider these two excerpts:
- J. S. Bach: Christmas Oratorio 2, Chorale: Brich an, o schönes Morgenlicht
- W. F. Bach: O Wunder, wer kann dieses fassen cantata, Chorale: O liebes Kind
They strike me as very similar in tempo, metric and tone (I hope that is the correct terminology, I'm a layman). Did W. F. Bach copycat his father, J. S. Bach? If yes, was this an expected thing for the time?
I thought the answer to the latter question would be a resounding "not at all", but I found this paragraph (lacking citation?) in the Wikipedia article of W. F. Bach:
Friedemann is known occasionally to have claimed credit for music written by his father, but this was in keeping with common musical practices in the era.
And that made me uncertain whether that would be regarded as "copycat" or common practice.