First, I LOVE it when anyone at all talks about watching any PBS shows.
Second,
lexophile and
vellumblue and all other Newshour freaks, did you
get to have a Newshour-themed birthday party when you turned three?
ETA:
original WaPo article with quote: "As a baby, he became fascinated by the show's sparkling trumpet theme and took to calling it the "da-da-da" show." The change in music is mentioned in the first article linked above.