MONSTA X performs 'Heal' on 'GMA'

Explaining on Instagram: "In 1959, Paul Anka was only 18 years old when he performed “Put Your Head on My Shoulder” on The Ed Sullivan Show. At the time, the song was already climbing the charts, and Anka was quickly becoming one of the most recognizable young stars in pop music. Seeing someone so young command that stage made a strong impression on audiences. The performance helped solidify his image as a teenage heartthrob, but it also showed how confident and polished he already was as a song