From the Black Hole Survival Guide:
If you play one definite chord, you are not playing one definite note.
You could try to reverse the musical analogy.
Play one note by superposing chords such that all notes are canceled except for the one that you want. (Consider the technology of noise-canceling headphones.) Then a note is a superposition of chords, just as a chord is a superposition of notes. There can be a chord or a note, but not a sound that is simultaneously a chord and a single note.
True, and it actually feels kinda deep? They’re all just amplitude over time, and we classify amplitude over time patterns in different ways.