Candidate plays 'American Girl' for 29 seconds at South Carolina campaign stop
Singers team up for cover of bossa nova classic
The ambitious plan includes an album, iPad apps and a documentary
Singer performs 'Skinny Genes' from her debut album
Our week-by-week take on which judges' singers are the strongest
As show nears end, it sets itself even further apart from 'Idol'
Legendary musicians will collaborate for the first time on the film's soundtrack
Singer says all proceeds will go to disaster relief
Clip for new single features animated graffiti
Singer-songwriter performs 'The Way It Goes'