2011 Mercury Prize shortlist announced

Adele and PJ Harvey emerge as early favourites

PJ Harvey is joint favourite with odds of 4 1
MARTA PEREZ/epa/Corbis

The shortlist for the 2011 Barclaycard Mercury Prize was announced at an event in London earlier today.

Nominations for the prize - which is aimed at celebrating the best album by a British artist - include MusicRadar favourites Anna Calvi, James Blake and PJ Harvey.

Harvey and Adele - whose second album 21 is the biggest selling digital album of all time - are the bookie's favourites to win right now, with William Hill offering odds of 4/1 on both.

The winner of the prize is decided by a panel of music critics and industry insiders. The results will be announced on 6 September.

Full Mercury Prize nominations with current odds from William Hill:

Adele - 21 4/1
PJ Harvey - Let England Shake 4/1
Elbow - Build a Rocket Boys! 5/1
Tinie Tempah - Disc-Overy 5/1
Anna Calvi - Anna Calvi 6/1
Katy B - On a Mission 6/1
Metronomy - The English Riviera 8/1
Everything Everything - Man Alive 8/1
James Blake - James Blake 8/1
Gwilym Simcock - Good Days at Schloss Elmau 10/1
Ghostpoet - Peanut Butter Blues & Melancholy Jam 10/1
King Creosote & Jon Hopkins - Diamond Mine 10/1

For more info visit the Barclaycard Mercury Prize site.