I'm 99% sure that you won't hear a snippet until the entire puzzle is done. I think once you get the final one done (if you have all of them done)...
I did the sudo solve thing then signed in and once it was solved i clicked on greyed out ones to see if i could magically work on them and...
IMO maybe the clocks showing different times means that theres a bug in the system. So maybe not take the clock to seriously at the moment?