This time the band in question is The Silicon Process. If you look at the OBA Wiki article, you will see that information is scant so far. I believe the main members we the Ashberry family, but whether all three (Simon, Tim and Jez) were involved or not, I don’t know, nor do I know whether any “non-Ashberries” were involved.
I’ve picked up a couple of track titles from the recording, but any more information would be very welcome.
If you want to read a little more about the band then you can go to the OBA Wiki and follow links through to YouTube, or if you’re impatient to see what they sounded like, you can go straight to the recordings on YouTube.