I don’t think a lottery is very fair. Some of the people entering the lottery might just only kind of be fans, and are happy to go but wouldn’t be that disappointed if they don’t get tickets. Other people are die hard fans and want to go more than they want to do anything else in this world. Is it fair that both of those fans get the same chance of getting a ticket?
How about instead you give every music fan 1000 music points a year, and they can use those points to bid on tickets? That way, every fan has an equal opportunity, and can allocate their points to the concerts they most want to go to? Maybe someone allocates all their points for Rammstein because they want to go so bad, and someone else instead would rather go to 10 less in demand concerts.
But wait, that still isn’t fair… some people like music way more than other people. Huge music fans shouldn’t have the same amount of points as people who only kind of like music, but are actually more into sports. The huge music fans should get more music points and the sports fans more sports points.
To solve this, we could just give out generic points to everyone and you could spend it on music OR sports, or whatever… so now the huge music fans spend all their points on music and sports fans spend it on sports…
But then what about people who would be willing to do extra work to be able to do more things, where other people would rather relax more and not go to as many things. Maybe people could trade their points to other people in exchange for goods and services…
Oh wait, we just invented money and the system we already have.