SE released a video showing a behind the scenes of the new song being attached to the multiplayer coming out later this week. It will be a gospel piece sung by Emiko Suzuki. The song is titled "Choosing Hope".
Final Fantasy XV: Comrades is the multiplayer mode coming out November 15th. It allows the player to build their own avatar and play with other players in the world of FFXV.
Source: Siliconera
