“5 AM” is a song recorded by British singer-songwriter Katy B. The track is the follow-up of her latest release “What Love Is Made Of” and it’s confirmed as the second single taken from her upcoming second studio album, still untitled, that’s scheduled for release later this year or early next via Rinse and Columbia Records. 　　The track surfaced online on September 12 and it’s scheduled to impact radios next week. It’s planned for release on digital retailers on October 28th.