This is a list of music tracks placed in the Metroid category by the Sound test.
Main Theme (Metroid)
User:ToastUltimatum/Music Infobox
Origin
Composition & Arrangements
Arrangement Supervisor: Kenji Yamamoto, Narration: Jay Ward, Composer and Arranger: Nintendo
Other Uses
This track briefly plays before the fight with Ridley in The Research Facility (Part II) of the Subspace Emissary.
Ending (Metroid)
User:ToastUltimatum/Music Infobox
Origin
Composition & Arrangements
Arrangement Supervisor: Tsukasa Masuko, Composer: Nintendo, Arranger: M's Factory.
Other Uses
This track plays during the role call when Classic or All-Star mode is completed with Samus or Zero Suit Samus.
How To Unlock
Once 10 Brawls are completed on the Norfair stage, the CD containing this track will be unlocked.
Trivia
This is the only track in the Metroid category not to be used in the Subspace Emissary.
Norfair
User:ToastUltimatum/Music Infobox
Origin
Composition & Arrangements
Arrangement Supervisor: Yuzo Koshiro, Composer: Nintendo, Arranger: ANCIENT.
Other Uses
This track plays in The Subspace Bomb Factory (Part I) of the Subspace Emissary.
How To Unlock
Collect a random CD containing this track.
Theme of Samus Aran, Space Warrior
User:ToastUltimatum/Music Infobox
Origin
Composition & Arrangements
Arrangement: Masato Kouda, Composer: Nintendo.
Other Uses
In the Subspace Emissary, this track will play in The Research Facility (Part II) level. Also heard in The Research Facility II in The Subspace Emissary.
Vs. Ridley
User:ToastUltimatum/Music Infobox
Origin
Composition & Arrangements
Arrangement Supervisor: Yusuke Takahama, Composer: Nintendo, Arranger: TARGET ENTERTAINMENT INC.
Other Uses
In the Subspace Emissary, this music plays when fighting Ridley in The Research Facility (Part II) and The Great Maze, as well as when fighting Meta Ridley, despite Meta Ridley having his battle theme within Brawl.
Vs. Parasite Queen
User:ToastUltimatum/Music Infobox
Origin
Composition & Arrangements
Composition and arrangements Copyright Nintendo.
Other Uses
This track plays in the first half of The Research Facility (Part II) in The Subspace Emissary.
How To Unlock
Collect a random CD containing this track.
Opening / Menu (Metroid Prime)
User:ToastUltimatum/Music Infobox
Origin
Composition & Arrangements
Arrangement Supervisor: Kenji Yamamoto, Narration: Jay Ward, Composer and Arranger: Nintendo.
Other Uses
This track plays in The Research Facility (Part I), and the Great Maze in The Subspace Emissary.
Sector 1
User:ToastUltimatum/Music Infobox
Origin
Composition & Arrangements
Arrangement Supervisor: Minako Hamano, Composer: Nintendo, Arranger: Nintendo.
Other Uses
When fighting the Samus's made of Shadowbugs in The Research Facility (Part II), this track will play. This track also plays when fighting False Samus in The Great Maze of The Subspace Emissary, as well as, oddly Fox, Falco, Captain Falcon and Snake, despite those characters having no relation to Metroid.
Vs. Meta Ridley
User:ToastUltimatum/Music Infobox
Origin
Composition & Arrangements
Composition and arrangements Copyright Nintendo.
Other Uses
In the Subspace Emissary, this track will play in parts of The Subspace Bomb Factory (Part II), yet, strangely, not while fighting Meta Ridley.
Multiplayer (Metroid Prime 2)
User:ToastUltimatum/Music Infobox
Origin
Composition & Arrangements
Composition and arrangements Copyright Nintendo.
Other Uses
This track will play in parts of The Research Facility (Part I) and The Subspace Bomb Factory (Part I) in the Subspace Emissary.
How To Unlock
Once 10 Brawls are played in the Frigate Orpheon stage, the CD containing this track will be unlocked.