could someone tell me the time signiture for this song? Also can any one point me towards sheet music for it?

The song is Gorecki by Lamb

http://www.youtube.com/watch?v=UcSwDUE-QK4feature=related

The reason why I as is I would like to use this song as my first
wedding dance, i plan to have some dance lessons and want to work out
what style of dance would work best with this song so I can choose an
instructor.