Realistically, he cannot contact all the thousands of content creators. Also I doubt that UG is paying them in any case. He should include author nicknames though.
Hopefully, bro scraped the content in case UG bans him. There will not be good electric guitar music past 2010s anyway, so no missing out on new content...
You give it to intern and report to higher ups that there is now "Generative AI" used in your company. Higher ups tell their friends while golfing. Everyone is happy, until their entire industry gets disrupted by actual AI specialists.
"I want to start programming, what language should I learn?"
"One of these two most popular languages, where you will not even know about basic errors until you run the code!"