What Is This Floor Music?

Does anyone know what this music is called? Emily Schild used it at this year's Nationals:

https://www.youtube.com/watch?v=kywoc_MB8uI

And Alena Polyan also used it at one point: https://www.youtube.com/watch?v=qJUFXQK32HA

Thanks in advance.

What Is This Floor Music?