I uploaded all of my CDs to Google Music (now YouTube Music) over 10 years ago. They are still there and I still stream them regularly. For me, I needed to have

I uploaded all of my CDs to Google Music (now YouTube Music) over 10 years ago. They are still there and I still stream them regularly. For me, I needed to have access to songs that are not available on streaming services (I wish all music was available, but it simply is not). I can't use Spotify because I can't add certain songs to playlists, and what's the point of using a music service if I can't listen to all of the music that I like?