Paranoid Android

The song features a complex harmonic landscape, utilizing chromaticism and dissonant chords to create a sense of unease and tension. The harmony shifts dramatically between sections, reflecting the song's emotional changes.

The rhythm is highly varied, shifting between straightforward rock beats, complex polyrhythms, and moments of near-silence. The time signature remains primarily 4/4 but the feel is constantly evolving.

The melodic content ranges from haunting and melancholic vocal lines to aggressive and angular guitar riffs. Thom Yorke's vocals are particularly expressive, conveying a range of emotions from vulnerability to anger.

The song is a 'through-composed' suite consisting of three distinct sections (originally four), which the band 'welded' together inspired by the structure of The Beatles' 'Happiness Is a Warm Gun' and 'Abbey Road'. Singer Thom Yorke described it as an excuse to combine half-finished fragments, while bassist Colin Greenwood noted the band felt like 'irresponsible schoolboys' for attempting such a complex, non-radio-friendly structure.

Released as the lead single from 'OK Computer,' this six-minute masterpiece established Radiohead as the definitive innovators of the late-90s art rock scene. With its three distinct movements, it blends acoustic melancholy, aggressive distorted riffs, and ethereal choral sections into one of the most celebrated rock tracks in history.