Wishing to change a person is detrimental to your happiness, if they don’t fit what you’re looking for then move on! Eventually, the one that is meant for you will come, just do not stop searching. Do not be fooled with “soul-mates” or fairytale-ish beliefs just because something about them is familiar, it can be that they just possess qualities that are same with yours.
The world is big and life is beautiful. Douche bags are inevitable yet they make life exciting. Lastly, music will never ever leave you.