"Also, what is a coluratura?"
Broadwayfan, coluratura is basically an opera term to refer to a soprano who has a very fluid, high range. Coluratura's generally sing those high, running musical phrases, sort of like a flute. And my sister, who is a coluratura, says that generally sopranos who have strong high notes also have strong low notes . . . it's just a battle to bridge the middle part of their voices. So, Kendra's training to handle the coluratura parts of the role are simply for the parts she sings in the opening number and the "Evita" song. The rest of the show basically utilizes the middle and lower parts of her range, where she is strongest.
". . . POP . . ."