Which music professionals are concerned with advertising and marketing live events at music venues such as arenas, concert halls, and auditoriums? booking agentsroad

The correct option is PROMOTERS.
Music promoter are those professionals who advertise, market and generally promote musical events in order to create awareness about the event and increase the number of people who attend the event.
Music promoters play a very important role in the success of a released music or a planned musical event because they determine the amount of money that can be realized from the released music or the musical event.

Goodest should be best