In "Starbound", the track played by the Decorated Music Box is named "Atlas".

The answer is True because in the video game Starbound, the track played by the Decorated Music Box is indeed named "Atlas." Players can obtain and activate the Decorated Music Box in the game, which then plays this specific track called "Atlas." Hence, it is correct to say that in Starbound, the track played by the Decorated Music Box is named "Atlas."