Some major musical stars will perform this Sunday at the Oscars, Barbara  Streisand, Adelle, Jennifer Hudson, but Seth Mcfarlane?  Apparently he'll  save a song and dance number for the finale to the broadcast.  for  details...http://movies.yahoo.com/blogs/2013-oscars/crass-meets-class-seth-mcfarlane-sing-big-finale-201755958.html