Pat Benatar was classically trained. Benatar growing up in Brooklyn was cut off from the rock scene in nearby Manhattan. Her musical training was strictly classical and theatrical.
Rick Wakeman had classical training at the Royal College of Music.
BQ -
1 - When The Levve Breaks - Zeppelin
http://www.youtube.com/watch?v=WbrjRKB586s
2 - Stairway To Heaven - Zeppelin
http://www.youtube.com/watch?v=zVJHgcrfodA&feature=fvst
3 - Little Wing - Jimi Hendrix
http://www.youtube.com/watch?v=sqzZUJN-jfI
4 - Simple Man - Lynyrd Skynyrd
http://www.youtube.com/watch?v=nFl0nlHaWa4
5 - Downtown Train - Tom Waits
http://www.youtube.com/watch?v=a7jsEE_QGKg
6 - Eleanor Rigby - The Beatles
http://www.youtube.com/watch?v=xajQUEPXRyg
7 - Behind Blue Eyes - The Who
http://www.youtube.com/watch?v=BfuWXRZe9yA
8 - Gimme Shelter - The Rolling Stones
http://www.youtube.com/watch?v=R3rnxQBizoU
9 - The Man Who Sold The World - David Bowie
http://www.youtube.com/watch?v=7n0pf7anLa4
10 - Fade To Black - Metallica
http://www.youtube.com/watch?v=WEQnzs8wl6E