Simplify the following text for a Grade 13 native English-speaking person.
Original: Katherine Turman of Amazon commented `` The impact of Marilyn Manson 's subversive musical agenda has waned , and what 's left is a provocative , talented artist writing affecting , powerful , and yes , controversial songs ... Rife with references to the Beatles and the Kennedys , and full of pop-culture barbs , Holy Wood is a musically diverse and powerful statement ... Like Marilyn Manson the man , Holy Wood is intelligent , dynamic , and multifaceted , with myriad charms that are evident to the tuned-in listener . ''
Simplified: Katherine Turman of Amazon , for her part , pointed out that '' ( t ) he impact of Marilyn Manson 's subversive musical agenda has waned , and what 's left is a provocative , talented artist writing affecting , powerful , and yes , controversial songs ... Rife with references to the Beatles and the Kennedys , and full of pop-culture barbs , Holy Wood is a musically diverse and powerful statement ... Like Marilyn Manson the man , Holy Wood is intelligent , dynamic , and multifaceted , with myriad charms that are evident to the tuned-in listener . ''