"One Call Away" is a song by American singer Charlie Puth for his debut album Nine Track Mind. It was released on August 20, 2015 by Atlantic Records as the second single from the album, after the lead single "Marvin Gaye". "One Call Away" is a gospel-infused pop soul song. It reached number 12 on the Billboard Hot 100, making it Puth's third top 40 single in the US and his third highest-charting single as a lead artist to date, behind "We Don't Talk Anymore" and "Attention". (Wikipedia)

Capo 1 to play along with the video.