David Cook and PS22 cover Adele's song. [youtube=http://www.youtube.com/watch?v=nH-d6RediGI&]
I'm struck by how many of Adele's songs lend themselves so well to choral arrangements.
-B
UPDATE: And, a recent Duke grad's submission.
[youtube=http://www.youtube.com/watch?v=7gZBO3paSpg&]