Hey sorry I left out a few important details...
Okay the song is Usher ft will. - OMG
and the dance Blossom does is on this link from 2:14mins till 3:30 - WITHOUT SPACES!
http :// w ww . yo u tub e . co m/ wa tch?v=7 9G gKq k6f zY
i really recommed you watch this it will help you understand the story more
THANKS! :D :D