The term CONCERT WORKER can be broken down into two crossword solutions: ROADIE (6 letters) and SOUNDMAN (8 letters). A roadie is a person who works behind the scenes at concerts, setting up and taking down equipment, and helping with other tasks. A soundman is responsible for setting up and operating the sound system at a concert, ensuring that the sound quality is optimal for the audience. Both roadies and soundmen are essential to the success of a concert.