Who composed Metroid’s music?
Two composers set the series’ rule: the music is the monster, and the melody is the reward.
Metroid’s sound was a manifesto before it was a soundtrack. Hirokazu "Hip" Tanaka decided the score should feel like encountering a living organism, with no clean line between music and sound effect. Kenji Yamamoto inherited that brief in 1994 and carried it into the Prime era.
THE COMPOSERS
Tanaka · Yamamoto · HamanoHip Tanaka · 1986
Tanaka made the anti-soundtrack: sparse, pulsing, deliberately un-hummable, the opposite of the era’s pop game tunes. The famous main theme is withheld for almost the whole game; it plays only after Mother Brain falls, as catharsis.
Kenji Yamamoto · Super and Prime
Yamamoto composed Super Metroid’s themes by humming them on his motorcycle commute, and Nintendo later asked him back for Prime precisely to keep the series’ musical DNA intact. By Corruption he was copying Tanaka’s structure: dark until the very end, uplift only in the credits.
Minako Hamano
Hamano composed alongside Yamamoto on Super Metroid and carried Fusion’s understated score, praised at release as an uncommonly good piece of Game Boy Advance sound.
The 6 MB rule
Prime’s sound team has described working to a 6 MB budget for every effect in a level. The constraint, they said, is exactly why the game sounds the way it does: nothing unexamined survived the cut.