"Coma" is the epic closing track of Use Your Illusion I and one of the most ambitious compositions in the Guns N' Roses catalog. Written by Axl Rose and Slash, the song stretches past ten minutes and serves as a harrowing, semi-autobiographical account of a drug overdose and the experience of being resuscitated. Set in the key of G-flat at 129 BPM, the track is a sprawling, multi-sectional piece that shifts through dramatically different moods, tempos, and dynamics, ranging from whispered spoken-word passages to thunderous full-band eruptions. Slash's electric guitar solo is one of the most extended and emotionally intense on the entire album, beginning around the 6:04 mark and running for over a minute. The solo builds from eerie, atmospheric clean-tone passages into a massive, distortion-soaked climax, mirroring the song's narrative arc of descent and revival. Slash employs a wide range of techniques, including feedback manipulation, whammy bar dives, and searing high-register bends, creating a solo that feels more like a compositional movement than a conventional rock guitar break. The arrangement is extraordinarily complex for a rock song, with multiple tempo changes, dynamic shifts, and thematic callbacks woven throughout its length. Matt Sorum and Duff McKagan navigate the intricate structure with precision, while the production captures the song's cinematic scope. "Coma" was rarely performed live due to its complexity but remains one of the most acclaimed deep cuts in the band's discography, a fitting and monumental conclusion to Use Your Illusion I.