At the risk of getting caught on this PC...Violet,even though U2 released their 1st album in 1980,they have continued to get fans that are younger. People who were born when I was a kid or in high school or even after that!
Besides,as stated above,U2 will draw an audience to the show. Young & old fans alike!
Gotta go!
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"A knight of the road,going back to a place where he might get warm."
- Borderstone