Yoko Shimomura, Isao Abe · Street Fighter II: The World Warrior · Arcade · 1991 · 18 tracks
Yoko Shimomura composed the majority of Street Fighter II's character themes before leaving Capcom — producing the most iconic fighting game soundtrack of the 16-bit era, with each fighter's stage music becoming as distinctive a part of their identity as their move set.
Shimomura was assigned Street Fighter II's composition after Street Fighter I and joined a small team that included Isao Abe. Her assignment was to create character themes that would communicate each fighter's nationality and personality within the constraints of the CPS-1 arcade board's sound hardware. Guile's theme became a driving march with a famous bass line whose four-on-the-floor urgency communicated American military aggression; Ryu's theme used simple pentatonic material to convey disciplined focus; Chun-Li's stage music incorporated Chinese instrumentation references through the board's FM synthesis. The constraint of the arcade hardware — the need to create distinctiveness through timbre and arrangement rather than recorded quality — produced music that was precisely calibrated for its purpose. Shimomura left Capcom for Square shortly after the game's completion and went on to compose Kingdom Hearts and numerous other major scores.
Street Fighter II's character themes function as audio character design: they communicate fighter identity before a single punch is thrown. Dhalsim's Indian-inflected stage music, built from scale patterns evoking raga structures, tells the player something about the character even if they have never seen a screenshot. Blanka's Brazilian jungle theme uses polyrhythmic percussion that communicates wildness and unpredictability. The themes do not merely accompany the fights — they are part of what each character is.
This approach established a convention for fighting game music that has persisted through thirty years of the genre. Every major fighting franchise — Tekken, Mortal Kombat, The King of Fighters — assigns character-specific music to stages, and the quality of those themes is understood as part of the game's overall character design. Shimomura's work on Street Fighter II set the terms of that understanding.
Guile's theme became a cultural phenomenon decades after the game's release. The bass line — four ascending notes repeated with minor variation under a driving upper-register melody — was structurally capable of synchronising with almost any video footage at tempo. A YouTube format beginning with Desk at the Internet from 2007 demonstrated this property to massive audiences: videos spliced Guile's theme over political speeches, sporting events, movie trailers, and everyday situations. The format spread because it was true — the theme's rhythmic regularity and emotional neutrality-with-urgency made it generically applicable.
The meme's popularity inadvertently demonstrated something about Shimomura's compositional approach. She had written music that communicated urgency and forward motion without being specifically about any single context. The theme functioned as a general motivational engine rather than a specific dramatic score. That quality, which was presumably a product of designing music for a fighting game where the emotional context changed constantly, turned out to be the property that made it a durable cultural artefact.