Grammy award for song of the year?

American Boy
William Adams, Keith Harris, Josh Lopez, Caleb Speir, John Stephens, Estelle Swaray & Kanye West, songwriters (Estelle Featuring Kanye West)
Track from: Shine
[Atlantic/Homeschool; Publishers: Will.I.Am Music/Cherry River Music/Chrysalis Publishing/John Legend Publishing/Cherry River Music/Please Gimme My Publishing/EMI Blackwood Music/Larry Leron Music/Speir Music/Broke, Spoke and Gone Publishing]

Chasing Pavements
Adele Adkins & Eg White, songwriters (Adele)
Track from: 19
[XL Recordings/Columbia; Publishers: Universal-Songs of Polygram Int.]

I’m Yours
Jason Mraz, songwriter (Jason Mraz)
Track from: We Sing. We Dance. We Steal Things.
[Atlantic; Publisher: Goo Eyed Music]

Love Song
Sara Bareilles, songwriter (Sara Bareilles)
Track from: Little Voice
[Epic; Publisher: Tiny Bear Music]

Viva La Vida
Guy Berryman, Jonny Buckland, Will Champion & Chris Martin, songwriters (Coldplay)
Track from: Viva La Vida Or Death And All His Friends
[Capitol Records; Publishers: Universal Music-MGB Songs]

I personally think it should be I’m Yours by Jason Mraz.

American Boy