Right out the gate, VanderWaal is a pro. How many 12-year-olds can chirp, coo, and hum with such graceful precision and fluidity? On her mesmerizing debut EP, she sings and strums her ukulele through her sparkling originals from America's Got Talent as well as the moody, moan-y single “Gossip Girl.” A sky’s-the-limit talent.