He didn't know what he was expecting when he entered the training room, but he wasn't expecting to hear the most beautiful voice that had ever graced his ears.

He was quiet as he moved in closer, and his eyes widened when he saw you. He had no idea you could, well, sing like that. And it made him smile under his balaclava. He listened silently for another minute or two, and then he was careful in his approach.

"Don't throw a punch, it's me," he said, voice gruff. "But ... what was that?"