Are these melodies and riffs really rip-offs? What do you think?

1. The Kinks - All day and all of the night
Doors - Hello, I love you ... >> plagiarised?

2. Muddy Waters - You need love
Led Zepplin - Whole lotta love ... >> plagiarised?

3. Spirit - Taurus
Led Zepplin - Stairway to heaven ... >> plagiarised?

4. Cat Stevens - Foreigner
Coldplay - Viva la vida ... >> plagiarised?

5. The Kinks - Picture Book
Green Day - Warning ... >> plagiarised?

6. Huey Lewis and the News - I want a new drug
Ray Parker, Jr. - Ghostbusers ... >> plagiarised?

7. Creedence Clearwater Revival - Run through the jungle
John Fogerty - The old man down the road ... >> plagiarised?

8. Marvin Gaye - Got to give it up
Robin Thicke feat. T.I. & Pharrell Williams - Blurred lines ... >> plagiarised?

9. The Rolling Stones - The last time
The Verve - Bitter sweet symphony ... >> plagiarised?

10. The Chiffons - He's so fine
George Harrison - My sweet Lord ... >> plagiarised?

11. Killing Joke - Eighties
Nirvana - Come as you are ... >> plagiarised?

12. John Lee Hooker - Boogie Chillen
ZZ Top - La Grange ... >> plagiarised?

13. Bryan Pringle - Take a dive
Black Eyed Peas - I gotta feeling ... >> plagiarised?

14. Chuck Berry - Sweet little sixteen
The Beach Boys - Surfin' USA ... >> plagiarised?