No Line on the Horizon (song)

"No Line on the Horizon" is a song by Irish rock band U2. It is the opening track and title track of their 2009 album No Line on the Horizon.

The song began as an instrumental piece called "Kingdom of Heaven," conceived by Brian Eno and Daniel Lanois during initial recording sessions. Bono later added lyrics, inspired in part by a photograph he saw of the French coastline taken by Sugimoto Hiroshi which visually depicted the horizon as a blurred, indistinct line. This imagery resonated with Bono's themes of ambiguity, transition, and the search for clarity.

Musically, "No Line on the Horizon" features a driving rhythm section, distorted guitars, and atmospheric synthesizers. It has been described as having a krautrock influence, referencing bands like Neu! and Kraftwerk, reflecting a conscious effort by U2 to experiment with different sonic textures. The Edge's guitar work is prominent, employing effects and techniques to create a sense of urgency and expansiveness.

The song's lyrics touch upon themes of faith, hope, and the struggle for meaning in a world often perceived as chaotic and uncertain. Bono's vocal delivery ranges from subdued verses to a more impassioned chorus.

"No Line on the Horizon" was released as a promotional single prior to the album's release and was generally well-received by critics, many of whom praised its innovative sound and ambitious scope. It became a staple of U2's live performances on the 360° Tour, often opening the show with its powerful and distinctive sound.