. >> reporter: and 84-year-old ron goldman has been here to see it all. >> my job was to take a stackthem under my arms and arerun up and down the stai hawking the programs. >> reporter: he says that's why he's a fan. >> it's hard not to become a fan. it has helped me to really appreciate classical music, popular music, all forms of music. that is something that is informed my life a great deal. >> reporter: for gus gustavo dudamel, it's not just the music that moves him, it's almost the silence. >> the silence of 18,000 people, you know, listening to the pianissimo. >> reporter: the sound, or lack thereof, of 18,000 people together listening in perfect rhythm. ♪ ♪ >> that only happens, you know, in a place like the hollywood bowl. you sell high commission investment products, right? (fisher investments) nope. fisher avoids them. (other money manager) well, you must earn commissions on trades. (fisher investments) never at fisher investments. (other money manager) ok, then you probably sneak in some hidden and layered fees. (fisher investments) no. we structure our fees so we do bette