Although Skull Fang was already added to GH, this is a different soundtrack. Other than Avengers in Galactic Storm, this OST even includes arranged versions of the "Skull Fang" and "Over Boost" songs in the album.

Details:

PCCB-00205 | Skull Fang / Avengers in Galactic Storm - VGMdb (http://vgmdb.net/album/3308)

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Can this be put up again, I was looking everywhere for it.