In addition to the content he has reserved for subscribers, Rick has put a bunch of free content "out there" as well, just to give you some idea of where he's going with his long list of tips and suggestions.
5 Keys for Success in the Music Business
https://rickbarkermusic.leadpages.net/video-page-1/The Five Must-Dos
https://rickbarkermusic.leadpages.net/video-page-2/These are not terribly "flashy" videos, but I've communicated with the guy offline and he "knows his stuff." If you're a wannabe musician, or or just struggling to get to the next level, you need to consider, at least, some of his tips. I don't follow them all myself; very few people who have adult responsibilities can. And you may have to take "baby steps" at first. But a following takes time to grow and the sooner you have platforms that help your fans feel like they're part of your story, the faster you'll grow that fan base.