He had a mind for details, so Zach remembered that Tracey had been dancing for that long. It had come up before, but there was no point to pointing it out. Even Zach knew that, and he wasn't a genius. It got quieter, but Zach hadn't been focusing on the music anyway. And really, it was nothing compared to the clubs he had been in - loud beat to the point conversation was useless. He knew how to read lips because of that.
"Unless I need ballet shoes, this should do," Zach shrugged a little. He liked being able to dance in anything. There were outfits and costumes designed for most dance forms he had learned, but to do all of them - or combine any number of them - meant his clothes needed to be versatile. He hadn't been sure if she had meant practicing and learning right then, but Zach was happy to.