It's what the video is labeled. But I caught only a few snatches too tell me it was "Hall of the Mountain King", and even fewer to remind me it was Grieg.
I grew up in a different musical era, and Pink Floyd was about the strangest it got. Which could be very strange indeed, as witness
Interstellar Overdrive. It's one of the most perfect pieces of program music ever. Any science fiction fan could tell you
that was an interstellar ship, and identify the stages of the journey. Getting into overspace was stressful. The landing, however, was soft. This wasn't really a video -- it was a recorded version. I watched several live versions, and musicians can do wonderful things on a recording they'd never be able to handle before an audience,