Listened to this in work most of the day among other songs, and it's such a great song both vocally and production-wise. Can't wait for high quality. Gaga's voice is so distinct and passionate.
It sounds amazing. Hopefully the hq will be released/show up online sometime soon. From the preview it doesn't sound like that's the full song though. All I'm hearing is one verse and two choruses, maybe an bridge and outro? Doesn't sound like the structure of a full song, probably just edited for the film.