VS. SA-X

VS. SA-X, as named by the Metroid Prime & Fusion Original Soundtracks, is a music theme from Metroid Fusion. It was composed by Minako Hamano and Akira Fujiwara.

Description
VS. SA-X, as indicated by the title, plays during the boss fight against the SA-X on the Operations Deck, and by extension its mutated and Core-X forms. VS. SA-X is an exciting high-energy and tense track as well as having bars from the SA-X's leitmotif SA-X Appears. It can be heard here: