Who sings title song?
I can't find this out anywhere.
Hope this helps - at this site, someone mentions Bill Lee in the comments. Bill has done vocals on many film soundtracks:
http://www.filmscoremonthly.com/board/posts.cfm?threadID=59536&forumID=1&archive=0
IMDb for Bill Lee - but I didn't see God's Little Acre listed among his credits(perhaps it was not reported).
http://www.imdb.com/name/nm0496884/reference
You've done some bad things, sweetie.