Most of these titles are appropriate for older students. Parents with concerns should, of course, preview all materials themselves. This blog does not do that.
ROCK AND ROLL
Cambridge Companion to the Beatles by Kenneth Womack
How Capitol Records Got the Beatles by Charles Tillinghast
Rolling Stone Illustrated History of Rock and Roll by Rolling Stone Magazine
HIP HOP and RAP
Book of Rhymes: The Poetics of Hip Hop by Adam Bradley [This CAN get reluctant readers into poetry]