April 15, 20169 yr Puts some numbers to the vinyl revival a jump from 300k a year to 18 million is impressive.
April 15, 20169 yr So it shows how two originals can have different markings in the run out groove. After the copper master is made and some stampers are made from it. One stamper could have a 1 scratched into it and another could have a 2, for instance.
https://www.bbc.co.uk/news/video_and_audio/headlines/36044529