seussical audition help

I have an audition for Seusical the musical at my high school next week (and we JUST found out about it...convient, I know). Anyways, I was looking for some help on an audition song. I was thinking about either "my new philosophy " from charlie brown or "when you got it flaunt it" from the producers. im auditioning for mayze and gertrude, as well as the chorus. any ideas? im amexxo soprano, 13-20 age range. pretty wide belt/mix range, wide head range. thanks !

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Mexxo Soprano???? hmmmmm....MAYBE **meZZo Soprano? just a thought

Just a bit facetious..hehe