Why did Vatican call Jesus Christ Superstar as art "not since Michelangelo"

[JCSupers†ar]

but Protestants called it "heresy? p.s. what is your favorite song from Jesus Christ Superstar? My favorite song keeps changing so right now my favorite is the title song.
http://www.youtube.com/watch?v=9YPDXmEsQtQ

Best Jesus movie ever.

 

[upyr1]

the vatican apreciates art after all who funded Michelangelo