A recording of it was included in some electronics hobbyist magazines of that time on shiny black flexible vinyl for playing on a phonograph at 45rpm. I seem to

A recording of it was included in some electronics hobbyist magazines of that time on shiny black flexible vinyl for playing on a phonograph at 45rpm. I seem to recall that Bell Labs was credited on the label but IBM was not. EDIT: dbarlett just posted an image of the recording's label elsewhere in this thread