HELP! i need good songs for a teen trio!!!!!?

me, and my friends ashley and olivia, are going to be doing a solo and ensemble contest... and we need trio songs that have good balance, and 2 or 3 part harmony. if the song has solos, or places that there could be solos, make sure that theres 3, or none at all please. we are all VERY talented. we sing well with pitchand balence. we also all sing soprano, but we can all also sing alto. im soprano one, ashley is soprano 2, and so is olivia. but i do best with soprano 2. PLEASE HELP ME! thanks in advance!(: