Apple hits 10 billion songs sold - but what's happening to music
sales growth?  The growth in iTunes tracks sold is encouraging -
but if you consider what's driving it, the picture might not be
so rosy Ten billion songs sold on iTunes Apple has hit the 10bn
mark for songs sold on iTunes Public domain  Steve Jobs will be
pleased. Not only did it happen on his birthday, but the 10
billionth song sold through the iTunes Music Store was by one of
his musical heroes, Johnny Cash; specifically, "Guess Things
Happen That Way", which was bought by Louie Sulcer of Woodstock,
Georgia, who receives a $10,000 iTunes gift card.  Jobs however
was not moved to comment on the sale; instead that was left to
Eddy Cue, the company's vice president of "internet services",
who said: "We're grateful to all of our customers for helping us
reach this amazing milestone. We're proud that iTunes has become
the number one music retailer in the world, and selling 10
billion songs is truly staggering."  Certainly it is - but how
quickly w