I have a question regarding part writing. Let me explain.
When I have my chord progression written. The norm for me is to use the top line, middle line, and bass line as my lines for various instruments. However, I've been experimenting with using the root, 3rd and 5th as separate lines for my instruments instead which has instruments overlapping each other melodically due to chordal inversions. What are the rules on doing this, if any? Thanks in advance for any help.