Coincidence, I think not.
It really wasn't anything more than my pursuit of this melody that jumped out upon hearing your collab. Basically playback the collaboration and take whatever instrument you want and just figure out that pink floyd riff and play it in the key of E rather than it's original key of G. That's all I really did.
With that said, I am really starting to think that coming across this social construct, with the people I've encountered thus far, is almost too good to be true.
I am just learning the ropes of Ableton Live, the computerized perspective of music making is very new to me, I'm from a background of classical piano, and free improv. So I would love to add something in the future but would probably need a hand to get myself to a point of effectively contributing something. This sounds like a lot of fun though =)