You have made this song my fave
This section of the game really shows you great tunes, and while I choose Brinstar depths in the original SM over this one, but this is just beautiful. This song evolves as moves deeper into the song, and the vocals (unexpectedly) made my eyes ready to burst open like Maridia itself (no tears, but close). It almost reminds me of those James Bond openings, or even The Best is Yet to Come in MGS.
Please consider doing Brinstar Depths in Super Metroid! Peace! :)