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Why Leah Singing 'Firework' With Katy Showed Essence Of American Idol
On the American Idol season 20 finale, third place finalist Leah Marlene sang a duet of Katy Perry's hit song «Firework» with the judge herself, which suited the spirit of the show to perfection. Leah, a 20-year-old musician from Normal, Illinois, grew up around music thanks to her father, Derry Grehan. He is the lead guitarist of the Canadian rock band, Honeymoon Suite. Her talent and artistry are evident in every song that she sings.