Long tail is not only Long, but strong in digital music space(eMusic's case)

The average iTunes customer buys one song per month, spends about $10 a year on iTunes. The average eMusic customer buys 20 songs per month and spends $168. Is this model for everybody? Of course not. But we’re not trying to appeal to everyone. (in Dialogue with eMusic CEO Pakman)

>>> it means there must be a meaningful niche market for indie music in US. What a interesting! He want to go beyond music category and reach other entertainment area because he believes eMusic could and should be direct marketing entertainment retailer. Long-tail knowledge could be transferred in other areas?