I/O is the tenth studio album by the English singer-songwriter and musician Peter Gabriel, released on 1 December 2023 through Real World Records. It is Gabriel's first album of new original material since Up (2002), marking the longest gap between studio albums in his career. I/O features 12 tracks, each with two different mixes labeled the "Bright-Side Mix" and "Dark-Side Mix". It is also Gabriel's longest studio album of original material, with the mixes clocking in at over 68 minutes each and the total project lasting over two hours.