1.   Some concert promoters have refused to book rap acts after some rap concerts degenerated into violence.

2.   And concert promoters are canceling shows in protest of their fans being frisked for cigarettes at the door.

3.   A move is also afoot by a concert promoter to lease a warehouse somewhere in the Mid-Cities for use as a Christian teen hangout and a more permanent venue.

4.   But authorities said their task would be much harder without the formal organization envisioned by the concert promoters.

5.   But everyone makes bad decisions, including, apparently, concert promoters.

6.   By day Ricardo is not a concert promoter.

7.   Cities grappling with temporary power shortages or rock concert promoters planning huge events can rent portable energy sources for short-term use.

8.   Concert promoters do not need to wait for those findings.

9.   Concert promoters often run their own ticket clubs, setting aside choice seats for members.

10.   Concert promoters and booking agents complained this spring that the New Age composer Yanni was cutting them out of the business.