You'd expect that, the majority of music sales aren't physical, they're downloads and the vast majority of those are young people.
Downloads are old hat, increasingly replaced by streaming, such as what happens on here every Friday.
http://www.digitalmusicnews.com/2016/03/31/streaming-music-vs-downloading-2015/
and for the UK
http://www.digitalmusicnews.com/2016/03/31/streaming-music-vs-downloading-2015/
