Usar "chorus line" en una oración

1. Jack joined in with the chorus line on every marshalled step,

2. When Kate awoke, she felt the pain in her head pounding like the many feet of a chorus line on a stage floor

3. By the way, a chorus line in this same song goes, “I will sing this victory song”

4. My labored breathing eased, though my lungs still burned and my head was pounding like a chorus line of stiletto-wearing hippos dancing on it