This is more common than people thought. I don't remember who said it but most people can get pretty close to the first note of All Star - Smash Mouth for example.
Of course this is still not really perfect pitch as we know it. Maybe one could argue that this is still relative pitch, but through day-to-day practices we are able to hold pitch memory for long enough of time.
Of course this is still not really perfect pitch as we know it. Maybe one could argue that this is still relative pitch, but through day-to-day practices we are able to hold pitch memory for long enough of time.