If you make music for yourself, covers, original, original that borrows from someone, to me it doesn't matter. Just make the songs, put it on a list and listen to it regularly. It will be memorable. I am listening to music I created over 15 years ago. Funny, I hear the mistakes, the cringes of being new, bad mixing (I have gone back and remixed a few), but it is a document of my journey life/music.
If a picture says a thousand words, a song says a thousand pictures. I really believe that. So make yourself a memory. At some point, you will be deep in career, kids, spouse, mid-life crisis, facing aging. You can document your life, in songs, your songs or ones that mean something to you (a cover). Being able to do that is a gift that shouldn't be taken for granted.