‘Calm Down’ sets new record on Billboard pop airplay chart. In a groundbreaking achievement, Nigerian Afrobeats sensation Rema has broken a new record as his hit single ‘Calm Down,’ becomes the longest-charting song in the history of the Billboard Pop Airplay chart.Since its release, “Calm Down” has been a chart-topping sensation, captivating audiences worldwide with its infectious melody, super production, and Rema’s distinctive vocals. The song’s remarkable longevity of spending 64 weeks on the Billboard Pop Airplay chart is a testament to its enduring popularity in the United States where i…