2 ms·

There was some nonsense about "Happy Birthday" being copyrighted.. maybe it's a holdover from that? https://en.wikipedia.org/wiki/Happy_Birthday_to_You#Copyrig

• askvictor 6y ago
  I would have thought this system would work _mainly_ with copyrighted songs.
• IggleSniggle 6y ago
  It was a big deal, but yeah regardless of how it used to be, that copyright has expired