There are many different components using sound for therapy. Infact if you listen to certain types of music that have been written with the background of some healing frequencies… Again, I don't have personal experience with that but I have had people tell me how soothing the music feels and how it actually is invoking the healing process.
Once I started competing I first looked up to John Fraser because he had a great bench and had a muscular build like me. Latter in my powerlifting career I admired Jeff Becker because he was in my weight class and consistently broke records and dominated the sport.
Because the Arnold Classic is such a big show, a guy who hasn't been getting a lot of recognition all of a sudden does that show and arrives in good condition and is able to take out some of the top guys, it then puts him up there in the running for the Olympia title. So he can get more recognition that way.
On the margin of safety, which means, don't try and drive a 9,800-pound truck over a bridge that says it's, you know, capacity: 10,000 pounds. But go down the road a little bit and find one that says, capacity: 15,000 pounds.