Traditional means a second fermentation in the bottle. Traditional means very long ageing and manual riddling. Traditional means intense, persistent, elegant, tiny bubbles. Traditional. In other words, eternal.
It is not a small portion, nor an anticipation. Not even a prelude. The aperitif is not just what comes before, but what can give significance to what comes next. The aperitif is a bond. The essence of the things that are about to happen.