General music copyright question
So, I play guitar, and record my music in the DAW. I am not a composer and don't write or read music or tab, but as a retired IT guy I am pretty good with technology. I don't play keyboard, but bought a Arturia minilab and can figure out how to add some keyboard parts. The technology is available and I can convert my guitar parts to midi and import into musescore. My question is, if I want to send my scores for copyright, how detailed should they be. Would the guitar solo's in a song be added or just the chords and lyrics. The songs sound pretty good in the musescore playback as piano, but the scores get pretty long with all the notes of guitar solo's added. A five minute song with several guitar parts gets in the 50 pages range for a pdf. I can't imagine that detail of score would have been available in the past. As I am new to this, I have no idea.