The song would have been awesome if it was a smidgeon shorter.
This episode was gold for Applejack (a first, IMO). Though I'm not so happy about Rainbow getting kicked around every other episode.
That aside, oh my goddesses, the the expressions in this episode. Brilliant, especially Cheerilee's and Rainbow's. She seemed... I don't know how to describe the below image, but it was definitely intentional.
An excellent 9/10. But let's set the apples aside for a bit (I just don't think they're that great)