Backstreet Boys-What I Know Now
The Backstreet Boys are one of the most successful boy bands of all time, with over 100 million records sold worldwide. They have been active since 1993, and have released nine studio albums, two compilation albums, and one live album. Their latest album, DNA, was released in 2019 and debuted at number one on the US Billboard 200 chart.
One of their unreleased songs is called "What I Know Now", which features the vocals of Claude Kelly, a Grammy-nominated songwriter and producer who has worked with artists such as Britney Spears, Kelly Clarkson, and Bruno Mars. The song was leaked online in 2010, and has been circulating among fans ever since. The song is a mid-tempo ballad that expresses regret and nostalgia for a past relationship.
Backstreet Boys-What I Know Now