An excellent discussion of why "Sweeney Todd" works as a movie...

[sarahbyrdd]

And diegesis in musicals, which is one of my favorite theater/opera/film geek topics. :-) 

http://www.commentarymagazine.com/viewarticle.cfm/The-Hollywood-Musical-Done-Right-11228?search=1

I'll take questions after class. ;-)