there's something -- it is a very different atmosphere. >> talking about the magic of summer music festivals. he has taken over as head of wolf track, america's national park for the performing arts outside washington. >> whether it be contemporary. whether it be a more classic act, rock, pop, bluegrass, opera, all of it is represented here at wolf trap this summer. >> we saw the range ourselves this week. walking into an opera rehearsal. and then the indigo girls at their sound check. >> you can listen indoors, you might as well listen to your cd or in front of a stereo speaker.