Solo Songs for Choir Class HELP!?

I have to pick a song to sing for choir at a school. This is the list that I have right now:

I Will Follow You Into The Dark - Death Cab for Cutie
Forget You - Cee Lo Green / Glee Cast ft. Gwyneth Paltrow
Listen To Your Heart - DHT / Roxette
Everytime We Touch (Slow) - Cascada
The Only Exception - Paramore
I'm Yours - Jason Mraz
Everything You Do - He Is We
Love Like Woe - The Ready Set

Any suggestions on which song I should sing or how to pick one?! I need it by Monday (January 10th, 2011)
Some songs I forgot to add in the list:

Hey Soul Sister - Train
Wonderwall - Oasis
 
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