|This article is written from the Real Life point of view|
Splinter Hive is, as the name implies, the theme that plays in the Splinter Hive sub-section of the Temple Grounds in Metroid Prime 2: Echoes. Its name in the internal files is Splinter Hive - Inside.
The music shares some of the same ambient instruments and sound effects as the Chozo Ruins theme in Metroid Prime, which is also shared with Moth Temple Landing Site. A slow and quiet rendition of Theme of Samus's fanfare is played as the melody, likely owing to the theme's association with the Galactic Federation in this game.
It can be heard here: .