a young pianist sits at a grand piano with visibly shaking hands hovering over the keys. Her fingers tremble as she prepares to play the opening notes for a large audience. The nervousness causes her whole body to quiver slightly as stage lights shine down on her. Her trembling becomes more noticeable as she takes a deep breath before beginning. The audience sits quietly in the dimly lit concert hall watching her performance. A music teacher stands nearby offering encouraging gestures from the side of the stage. shaking or quivering slightly as a result of nervousness and excitement