What is what hurts the most cascada?

"What Hurts the Most" is a song by the German dance-pop group Cascada. It was originally released in 2006 as a single from their second studio album, "Perfect Day". The song was written by Jeffrey Steele and Steve Robson.

The lyrics of "What Hurts the Most" convey the pain of losing someone you love, and the regret that comes with not telling them how much they mean to you. The song's powerful melody and emotional vocals have made it a fan favorite and a staple of Cascada's live shows.

In 2007, the song was remixed by Dutch DJ and producer Yanou and released as a single, which became a huge commercial success in Europe and many other countries. "What Hurts the Most" remains one of Cascada's most popular and beloved songs.