Compare the elements of rock music, including tone color, rhythm, form, melody, and harmony, with those same elements from another musical period of...

This is a
fairly interesting topic.  I would say that we could broaden the topic to include "popular
music" with Classical music.  If this can be done, the link below could be an excellent
opportunity.  You can compare Mussorgsky's "Night on Bald Mountain" or Beethoven's
"Fifth Symphony" to the disco versions of each song featured on the Saturday Night
Fever soundtrack.  This might be an excellent opportunity to examine tone color, rhythm
prevalent in a disco version of the classical piece, as well as the different harmonies present
in each.  If this cannot be done, I would suggest using Beethoven's Ninth Symphony and the
multiple remixes and variations of it, most notably by Billy Joel as well as
UNKLE.