Promoting new and underrated artist is better than promoting the one's who are already famous

guys i think we should promote more underrated artists than the people who are already famous, a few months ago i have created a channel to promote new music, i am new to this channel thing and everything, but really wanted to do something, so guys if you agree with my idea then do visit my channel to give any kind of advice that you think would help or if anyone of you is an interested i can upload and promote there music on my channel, doing it for the good cause. Do check the link below to give my some suggestion!