Caylee Hammack

Plus, the singer explains how getting to know the all-female tour lineup is already teaching her important lessons.

"I remember growing up, listening to "Kerosene" when I first started singing. All I wanted was to be like her ..."

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She'd played the festival a few hours before the shooting ...

However, multiple people have been injured and killed.

Which one's your favorite?

"I have to choose to be happy. I have to choose to see all the struggles of my life as lessons I had to learn ..."

Exhibit A: One of her new songs involves a Fisher-Price toy.

"She's like, 'You gotta at least have real Tupperware, if you're gonna sing about it!'"

"We did it the way we wanted, for once ..."