Spezzano comes from the verb spezzare, meaning "to break" or "to shatter". It's a much stronger and more evocative word than the more common rompere (to break).
In this powerful ballad, Laura Pausini sings, "Perché si spezzano tra i denti le cose più importanti" (Because the most important things shatter between the teeth). She uses this dramatic imagery to describe how the words we need to say the most get stuck and break apart before we have the courage to speak them, perfectly capturing the song's theme of regret.
This song from Italian superstar Laura Pausini is a huge, emotional power ballad about regret and things left unsaid. The singer is looking back at a moment when everything fell apart, thinking, "Forse bastava respirare / Solo respirare un po'" (Maybe it was enough to breathe / Just to breathe a little). She believes that if they had just paused instead of looking for a reason "per andar via" (to go away), things might have been different. Now, she's left with the impossible reality of a "Dicembre senza te" (December without you).
The whole song is a battle between hope and a harsh reality check. The title itself, "Invece No" (which means something like "But no" or "On the contrary, no"), is her mind telling her it's too late. She's haunted by the "cose più importanti" (most important things) that were never said, the words that "si spezzano tra i denti" (break between the teeth). Now that the person is gone, she can't say them anymore. She's left wishing she had more time to explain, to finish what they started together, but the song keeps pulling her back to that painful "invece no."