The LSSSA is supplying online versions of the dances this year. There is also a copy of the music to practice with as well as (generally) slower versions to build up with.
The 2014 Dance Event looked a little like this:
https://www.youtube.com/watch?v=pUIuTHzsHWo
and this:
https://www.youtube.com/watch?v=who9_Fry8fA
LSSSA 