To say that Beth was concerned would be a huge underestimation. Despite it being a basic wrestling match with no extra stipulations, and against a debutant too, she still had no idea what she was doing. If anything, she was going to wing it with what little knowledge she had and not look like an utter catastrophe doing so. Its not that she didn't have the capability to be good, its that she lacked knowledge.
Upon hearing her theme play, she edged out of the locker room and walked through to the ring, meekly waving at the crowd, who could but mutter amongst themselves about who she even was. When she reached the ring, she looked at her opponent, her fear apparent in her eyes.