You're the Best was performed by Joe Esposito and first became widely known through the 1984 film The Karate Kid, where it plays during Daniel LaRusso's tournament run. The song had originally been considered for Rocky III before finding its home in the Karate Kid soundtrack, which helps explain why it is so closely tied to underdog sports stories. Decades later, short clips of its chorus circulate in memes, gym videos and victory edits, keeping its association with training, competition and coming out on top.