Sufjan Stevens and Prince also pay their respects
Star to release career retrospective
The singer donates two songs to War Child…
If you like 'Army Of Me' you’ll love it…
The star is compiling a double album for charity - and she wants to hear new mixes and cover versions of one of her songs...
And the results have been leaked online...
The Icelandic star sings at the opening ceremony with a track she wrote especially for the games…
'Medulla' will even feature an Inuit throats singer...
There's a new album imminent...it's got a title and everything!...