There's an episode of Your Favorite Band Sucks that details a lot of how this works, and that's the picture they paint. Unsure how accurate it is, but the guys

There's an episode of Your Favorite Band Sucks that details a lot of how this works, and that's the picture they paint. Unsure how accurate it is, but the guys who do the show have a lot of experience in the music industry. You can find it on YouTube: Ticketmaster Sucks - Your Favorite Band Sucks Podcast