She covered "Knockin' on Heaven's Door" for War Child's Peace Songs compilation, and she recorded a cover of the John Lennon song "Imagine" as her contribution to the compilation album Instant Karma: The Amnesty International Campaign to Save Darfur.
Dia mengcover lagu berjudul "Knockin' on Heaven's Door" dalam kompilasi Peace Songs War Child, dan dia merekam sebuah cover dari lagu milik John Lennon berjudul "Imagine" sebagai kontribusinya dalam album kompilasi berjudul Instant Karma: The Amnesty International Campaign to Save Darfur.