It was released on August 20, 2015, by Atlantic Records as the second single from his debut studio album, Nine Track Mind (2016).

[3] Puth told iHeart: ‘One Call Away’ is about anybody who is in love with somebody, and doesn't get to see that person every single day.

[8] Directed by Mark Staubach,[9] the music video for "One Call Away" was released on September 14, 2015, by his own YouTube channel.

2 in C-sharp minor" on a grand piano in a college music classroom, before he is interrupted by a girl (played by Ellie Hahn) who comes into the room to watch, before she puts on headphones, and the actual song begins.

He nudges his friend (played by Stephen Puth, his younger brother) as he sees the girl sit down behind him, still wearing her headphones.

The girl is shown going to the Palace Theater in Los Angeles; as she sits down Puth sees her from the projection booth.

Clips from classic films are shown on the screen, beginning with characters in peril and then being saved (matching the lyrics), and ending in a romantic scene.