During the "Lights in the Sky" tour, Nine Inch Nails was promoting their album "Year Zero," which was released in April 2007, shortly before the tour began. The tour showcased the band’s blend of industrial rock and experimental sounds, further solidifying Trent Reznor's innovative approach to music and live performance. The live performance of "Only," featured in the "HEAD DOWN" chapter of this tour, highlights Reznor's ability to engage audiences with immersive visuals and dynamic soundscapes. This period was significant for Nine Inch Nails as they were exploring new themes in their music, reflecting societal issues and personal introspection. Additionally, the "Lights in the Sky" tour was notable for integrating advanced stage design and visual effects, marking a turning point in how live concerts were conceptualized in the music industry.