I had "Gods" on my Amiga back in 1991. Good game. The music was ace too, by this mysterious Nation 12. Funny to think back then at the age of 13 I was already listening to John's music without knowing it.
I don't think John had anything to do with the Speedball music(?) though it was still Nation 12 credited.
The Gods music at the time was deemed groundbreaking in terms of the digitization from the original. The Bitmap Brothers (who made the game) did something similar with the music on their Xenon II game.
I have an MP3 of the Gods music ripped from the Amiga version - it's interesting to compare, although it's really close to the 'real' version on
Electrofear