[worik]

It depends.

For many musicians it is not a career, but a hobby. A outlet for creativity. (That is me) In which case we choose venues that are like us. Our most recent gig was at our local Musicians Club https://youtu.be/URwzKL8pjQo?t=819

For others it is a important part of their income, so they should be paid.

Who should pay? If the punters pay a door charge the band should get it (that is the tradition here) if not then, yes, the owner of the venue pays it.

[kazinator]

Musicians making an income simply have to avoid opportunities that they have outgrown: free jam spaces, open mics, and whatnot.

[worik]

Generally speaking musicians are the last to get paid and the first to blame.