No ape tags, only id3v2.3 (and maybe id3v1)
Then what's probably important is the BAND tag (called Album Artist in zune software)
See this link:
http://www.zuneboards.com/forums/tutorials...r-mp3-tags.html 
So yes, Artist and Band tag should be the same, unless it's a compilation
And read here how to copy artist to band automatically:
/t/2793/1