Not all cities have the luck of having a great concert promoter or organizers that bring the right artist to your location. You hope that the promoter or organizer is good at his/her job but you actually never know. Even the best promoters and organizers have "bad" events where they don´t make any money or even lose money.
A crowdfunding/sourcing platform that puts together promoter/organizers, fans and artists. The same way kickstarters works but for concerts or other events.
Live Nation Entertainment generated US$4.73 billion in 2014.