The three sentences are a kind of opening chord, made up of the notes we are to hear again and again.

And the opening chord of the title track still makes the hairs of your neck stand up.

The key changes four times before returning to the original opening chord sequence at the half-way mark.

The opening chord of the middle section of that song heralded a new batch for me.

There's a brief repeat of the opening chord motif, then the brass section contributes a pattern of tightly harmonized chords from which the violin draws a high melody.