When he exited the machine following the time shift, there was a peculiar expression on his/mask. "I have some good news and some bad news."

"We have discovered the ur-melody. That's the good news. The bad news is that, up to 50,000 years ago, there were no words because everyone was scandalized by the idea that anyone would put words to some thing as 'beautiful' as "Nya, nya; nya, nya; nya nya nya nya nya nya." As the ur-melody, though, it seems to be genetically built in to all homosapiens. We can use it to avoid all sorts of expensive laboratory testing."