Ghosts I–IV is the sixth studio album by the American industrial rock band Nine Inch Nails, released by The Null Corporation on March 2, 2008. It was the band's first independent release following their split from longtime label Interscope Records in 2007. The production team included Nine Inch Nails frontman Trent Reznor, studio collaborators Atticus Ross and Alan Moulder, and contributions from Alessandro Cortini, Adrian Belew, and Brian Viglione.

Atticus Matthew Cowper Ross is an English musician, record producer, composer, and audio engineer. Along with Trent Reznor, he won the Academy Award for Best Original Score for The Social Network in 2010. In 2013, the pair won a Grammy Award for Best Score Soundtrack for Visual Media for their soundtrack to The Girl with the Dragon Tattoo. In 2021, alongside Jon Batiste, they won the Golden Globe and Academy Award for the soundtrack for Pixar's Soul.