In a sense, a hit belongs to the person who made it popular, but if a tune is good enough to attain tremendous success, then it certainly deserves more than one version, one treatment, one approach.
Poor people cannot rely on the government to come to help you in times of need. You have to get your education. Then nobody can control your destiny.
Find people who think like you and stick with them. Make only music you are passionate about. Work only with people you like and trust. Don't sign anything.