I think the Ladies performing O, America at this year's Capitol 4th Concert would be a fantastic end to the brilliant IOH Tour.
Unfortunately I think we would have had to start lobbying the concert organizers
(which include PBS) quite awhile back. Besides, just imagine the logistics involved getting everyone and everything needed from Red Rocks after the concert there on the 2nd to DC for the
(open to the public) dress rehearsal on the 3rd. And i'm sure they have had everything locked in for the concert for quite awhile by now (see:
http://www.pbs.org/capitolfourth/concert.html)
That said, I'd gladly risk the confusion and traffic to actually head downtown, at least for the dress rehearsal, if they were performing
(It's way to crowded on the 4th on the mall for me, and parking is almost worse than non-existent).
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Don