My 1 favorite is Alanis Morissette - My Humps which is a cover of Black Eyed Peas- My Humps

My 2 favorite is Red Hot Chili Peppers -Higher Ground which is a cover of Stevie Wonder- Higher Ground

My 3 favorite is Jeff Buckley-Hallelujah which is a cover of Leonard Cohen -Hallelujah

My 4 favorite is Framing Hanley - Lollipop which is a cover of Lil Wayne Lollipop

What are yours?

All Along The Watchtower Jimi Hendrix (Bob Dylan)
http://www.youtube.com/watch?v=bng3agUOYiI

Hurt Johnny Cash (Nine Inch Nails)
http://www.youtube.com/watch?v=o22eIJDtKho

Gloria Patti Smith (Van Morrison)
http://www.youtube.com/watch?v=xxygqSTO1lQ

Denis (De Nee) Blondie (Randy And The Rainbows)
http://www.youtube.com/watch?v=SpIy6-y_wHE

Got to be Rolf Harris' 'Stairway to Heaven'!

http://www.youtube.com/watch?v=IPOIy4Kb9M4

Happy Mondays' cover of the Bee Gees Staying Alive is probably my fave.

Yep.

Aretha Franklin's version of 'Respect' is better than Otis Redding's.

Not in any order

Fine Young Cannibals - Suspicious Minds.
Frankie Goes To Hollywood - Born To Run
Joan Jett - Summertime Blues
Muse - Feeling Good

Sure I'll think of more........

I love Paramore's cover of it's not a competition (originally by kaiser chiefs, though I can't post a link because I'm at work. it's a live lounge cover)

Jeff Buckley - Hallelujah
Anberlin - There Is A Light That Never Goes Out

The Fray - Hips Don't Lie (Shakira) brilliant cover!
Joss Stone - L-O-V-E (Nat King Cole) heard it on the Chanel adverts but didn't realise it was a cover til I looked it up nevertheless she really does a very good cover of the song

I've been wondering who sang that. I love that advert.

me too, the song and the advert go so well together, simply elegant and classy....it was bugging me too, so I looked it up so I could download it to my ipod, beautiful song!...x

Cher - Walking in Memphis
Leona Lewis - Run
Christina Aguilera - It's A Man's World
Whitney Houston - I Will Always Love You

Hazy shade of winter - The Bangles

The Futureheads - Hounds of Love

And I love the Kate Bush original as well, but what the Futureheads did is just genius.

Madness - One Step Beyond
Toploader - Dancing In The Moonlight
Metallica - Whisky In the Jar
No Doubt - It's My Life
Orgy - Blue Monday
Susannah and the Magic Orchestra - Love Will Tear Us Apart
Fear Factory - I Will Follow
The Cardigans - Iron Man

Jamelia - Numb

http://www.youtube.com/watch?v=wLF_RphAv5Q

Just thought of a few more!

Delilah. The Sensational Alex Harvey Band (Tom Jones)
I think they give the song the drama and menace it deserves.http://www.youtube.com/watch?v=-0fT9BHpImI

Because The Night. Patti Smith (Bruce Springsteen)
For many years I thought it was Patti's original.http://www.youtube.com/watch?v=px__SsVXX_0

Heard It Through The Grapevine. The Slits (Marvin Gaye)
Gotta love this version.
http://www.youtube.com/watch?v=IQxvo_9DEqY

Is This All There Is. PJ Harvey (Peggy Lee)
Strange song for a strange puppy.
http://www.youtube.com/watch?v=O0ZUAorP0b4

Our Town. Kate Rusby. (Iris Dement)
A reminder of what Thatcher did to mining towns and villages in northern England.
http://www.youtube.com/watch?v=u6hzXLwW6PY

- The White Stripes - I Just Don't Know What To Do With Myself (originally Dusty Springfield)
- Skin - Getting Away With It (originally Electronic)
- Bjork - It's Oh So Quiet (originally Betty Hutton)
- Bjork - The Boho Dance (originally Joni Mitchell)
- TLC - If I Was Your Girlfriend (originally Prince)
- Bat For Lashes - I'm On Fire (originally Bruce Springsteen)

My favourite is Will Young's version of Hey Ya! Brilliant!

Joe Cocker - With a little help from my friends
Siouxsie And The Banshees - Dear Prudence
Saint Etienne - Only Love Can Break Your Heart
Divine Comedy - I've Been To A Marvellous Party
Elvis Costello - She
All Seeing I - The Beat Goes On
Scooter - The Logical Song
Joey Ramone - What A Wonderful World
Roy Orbison - I Drove All Night
Fiona Apple - Across The Universe
Travis - Hit Me Baby One More Time

Mariah Carey - Without You, http://www.youtube.com/watch?v=6Votu9addvs&ob=av2n

Joe Brown - I'll See You In My Dreams:
http://www.youtube.com/watch?v=uKz6Wvfdxhg

Paul McCartney - Brown Eyed Handsome Man:
http://www.youtube.com/watch?v=1nM6atYqh-o

Johnny Cash - Hurt
http://www.youtube.com/watch?v=o22eIJDtKho

Cantamus-Fix You Originally by Coldplay.

Jeff Healey (RIP) - While My Guitar Gently Weeps (originally by The Beatles/George Harrison)

Dream Theater - Funeral for a Friend/Love Lies Bleeding (originally by Elton John)

Christina, P!nk, Mya, Missy Eliott et al- LADY MARMALADE! for me the definitive version!