text:  Kenny Chesney, on sale now at SeatGeek.com. Produced by Messina Touring Group and AEG Prisons. When I found out my son was using marijuana, I thought it was just part of adolescence. Lots of teens and young people get high. But then I found out how powerful today's concentrates are. I couldn't believe it. It's far more powerful than weed from the 70s, 80s, and 90s.