Bach also cribbed a lot of well known work. The four harpsichord concerto is almost a transcription of a Vivaldi four violin concerto. The man had music to prod

Bach also cribbed a lot of well known work. The four harpsichord concerto is almost a transcription of a Vivaldi four violin concerto. The man had music to produce, and he borrowed from everywhere. We just don't remember it because in most cases he was such an amazing technician that it eclipsed the original.