Adele Debuts “Water Under The Bridge” At Radio City Music Hall

Adele unveiled several new tracks in a live New York City show last night. (The performance will air on NBC next month.) Some footage of the song "Water Under The Bridge" subsequently hit the internet. The song was reportedly written with Greg Kurstin, who has aided everyone from Kesha to Sia to Katy Perry in recent years. Here's everything we know about 25, which hits stores Friday.