Complex sentence: In October 2002, all four members of Racer X gathered at Gilbert's house in Las Vegas to record a new album--for the first time in the history of the band all four members were together at the same time to record a Racer X album.
Split into simpler sentences: In October 2002, all four members of Racer X gathered at Gilbert's house in Las Vegas to record a new album. For the first time in the history of the band all four members were together at the same time to record a Racer X album.