Changing demand for vinyl records over time

Nice clip from the BBC: Which determinants of demand changed over time?
http://www.bbc.co.uk/news/business-36037876
...and a lot more on the vinyl industry from tutor2u
http://www.tutor2u.net/economics/blog/the-economics-of-vinyl?utm_medium=email&utm_campaign=Economics%20daily%20digest%20Thu%2021st%20April%202016&utm_content=Economics%20daily%20digest%20Thu%2021st%20April%202016+CID_4096d230c52f5d0869b6e847bf853c45&utm_source=CampMonitor&utm_term=The%20Economics%20of%20Vinyl%20In%20the%20last%20few%20years%20we%20have%20seen%20the%20revival%20of%20vinyl%20records%20with%20sales%20passing%20a%20million%20in%202014%20the%20first%20time%20since%201996%20and%20growth%20is%20expected%20to%20continue%20for