On each of the tracks that have popped up, there have been a series of numbers reminiscent of the "numbers stations". So far the code is:
There are 6 different 6 digit numbers in the code, so we should be able to expect 3 more codes to surface in the next few weeks here.
I think its safe to say that there's a new BoC release on the way, which I am incredibly stoked for.
Here's the clip that was found on the mystery record on record-store day: