If you're a singer, you may eventually try to perform in front of a live audience. Then you can show your talents and build this career. It's important to make sure the sound quality of this performance is optimal, which you can do if you hire a sound engineer. They'll be pivotal to this live performance in a couple of ways.
Perform Ample Sound Tests Prior to the Performance
Well before you perform in front of a live audience as a singer, you want to verify sound is perfect in every way.