I can't find any reference to it, be it by name or the tags, GMC and Role Playing Game Series.
Mr. Saturn being so prominent makes me suspicious, since even though they did have a decent role in the game here and there, they were in no way main characters, only memorable.
I have found the original image the starman was used from.
http://cgi.ebay.com/ws/eBayISAPI.dll...=#ht_500wt_922
A poster which contains the image, the red text in the upper right corner, the role playing game purple badge.
I will just call this fake, he also filled it under the game series 3D Ultra Pinball.
I bet this is just the music from an old Zophar/Snesmusic SPC rip converted to mp3, or he ripped it himself.