?uest although you asked JDEE...<BR>I'm gonna butt in a give an answer, being that I've been on the promoter side of the house.<P>The main reason why most promoters choose 21 and over venues is because of cost.<P>For example The Showbox in Seattle, which is 21 and over can run you from $250 to $700, whereas DV8 or RKCNDY which are all ages can run you anywhere from $1000 to $1500. All of these venues are approximately the same size BUT, the venues owner can afford to charge you a cheaper price for the 21 and over venue because he can make his money at the bar.<P>Parent issues and so forth run a distant second in this issue.<P>**Note: The the Hard Knock Life and Bad Boy Tours played areans with just as many profanities spit in a regular performance and some of the concert goers were much younger in comparison to your average all ages concert.