American idol song idea's

I have a strong alto voice! Im small but it sounds like I have a big black women trapped inside of me! Atleast thats what I've been told! Please Help I have no idea what to sing!
Some things I've come up with are
Your the one that I want-grease
Amazing...

Grace
Gunpowder and lead-Miranda Lambert

but im not happy with any of these really?!?!?

Amy Winehouse - You Know I'm No Good
Duffy - Warwick Avenue
Fiona Apple - Criminal
Alicia Keys - Falling
Norah Jones - Don't Know Why
Bill Withers. - Ain't No Sunshine

something by ella fitzgerald or alisha keys,dion warwick some of the older soulful women