Bach parallel fifths

Bach does not write stepwise chordal parallels. There simply are none. All stepwise parallels involve NCTs rather than being chordal consecutives. All chordal parallels (there are only 2, and both are fifths) involve leaps.

1. Are parallel 5ths okay?
2. What are hidden 5ths?

Are parallel 5ths okay?

Parallel fifths are OK when independence of voices is not the intention or not important for the style of the piece. Composers use parallel fifths in various ways for a variety effects, such as to embellish a main melody or to strengthen a bass line.

What are hidden 5ths?

Also found in: Wikipedia. (Mus.) consecutive fifths or octaves, not sounded, but suggested or implied in the parallel motion of two parts towards a fifth or an octave.