1.   Bob Roux, the talent buyer for Houston-based Pace Concerts, says the trend in the concert tour business has been toward multitiered pricing structures.

2.   After graduation, he built a small concert promotion business and operated four pushcarts of his own in Underground Atlanta, a downtown shopping and entertainment complex.

3.   But to many in the concert business, he is a dangerous villain.

4.   For years, the U.S. concert promotion business was mostly a mom-and-pop operation controlled by independent promoters at the local level.

5.   Gary Bongiovanni, editor of Pollstar, a weekly trade magazine that covers the national concert business, was more optimistic.

6.   However long Sillerman remains in the concert business, his arrival has shaken up the industry in a way it will probably never recover from.

7.   In tandem with the sale, SFX will spin off its concert promotion business into a separate company, SFX Entertainment, with its own stock.

8.   It was a changing of the classical concert business.

9.   Nonetheless, the Internet concert business has several influential new backers.

10.   One thing Woodstock taught the concert business was that rock fans will put up with nearly anything.