henry copeland:

Lazy, trend-chasing consumers ignore the long tail

Harvard University Professor Anita Elberse, published in October 2013 in her book Blockbuster: Hit-making, risk-taking and the big business of entertainment. It is worthwhile noting that Elberse points out that less than 1% of the digital songs in US account for more than 80% of sales. This seems to exclude the current observability and relevance of Long Tail theory in the market of the digital songs.
- publishingperspectives.com