https://www.bloomberg.com/news/articles/2018-01-03/youtube-s-unlikely-peacemaker-has-a-plan-to-make-musicians-rich
http://www.businesstimes.com.sg/life-culture/music-sales-soar-in-us-as-streaming-takes-over-market?platform=hootsuite
https://www-telegraph-co-uk.cdn.ampproject.org/c/www.telegraph.co.uk/business/2018/01/03/streaming-surge-electrifies-music-industry/amp/
http://www.straitstimes.com/lifestyle/entertainment/veteran-male-rocknroll-acts-had-biggest-2017-world-tours?xtor=CS3-20