"I Didn't Plan It"
"Such a powerhouse song," says Mueller, who sings it in Waitress with her co-star, Keala Settle. "Whether Sara or Keala is singing, you can't go wrong. It's a gut punch in all the best ways." Bareilles told Rolling Stone that she approached the music for the musical like any of her albums, and she released a preview of the show's music last year — titled What's Inside — with her own performances of the tracks with help from Jason Mraz, filling in as the romantic male lead. "I want to be proud of the material itself first and foremost, and I didn't know that on top of that I was going to get such a big pleasure from watching other people interpret my material."