Probably "Tommy" and "Jesus Christ Superstar" that's the only two I can think of.
Hair and Tommy
The Rise and Fall Of Ziggy Stardust And The Spider From Mars. Jesus Christ Superstar.
An example of a rock opera would be Queen's Bohemian Rhapsody. The instruments and style of the music is rock, but the music is exaggerated the same way that opera is. The term can be used loosely to...
Tommy
no.