Have you ever heard about the story of the famous violinist who tried playing music in the subway to see if anyone would recognize him?
His name was Joshua Bell.
The Internet, and YouTube, are chock full of professional or orchestral musicians like this who at the time of recording must have had all eyes on them. But on YouTube, lucky for you if you can catch a few 1000 views without them clicking away!
Dan's playlists are a good point to start humbling oneself.