Simplify the following text for a Grade 7 native English-speaking person.
Original: Townshend was ranked # 3 in Dave Marsh 's list of best guitarists in `` The New Book of Rock Lists '' and # 50 in Rolling Stone Magazine 's list of the `` 100 Greatest Guitarists of All Time . ''
Simplified: Townshend was ranked # 3 in Dave Marsh 's list of Best Guitarists in The New Book of Rock Lists , # 10 in Gibson.com 's list of the top fifty guitarists , and # 50 in Rolling Stone magazine 's 2003 list : 100 Greatest Guitarists of All Time .