This is the 3408th most frequent Catalan word.
concert
A musical performance given in public.
Here, 'concert' is used to denote a musical performance.
Ahir vam anar a veure un concert de música clàssica.
Yesterday we went to see a classical music concert.
In this case, 'concert' is used metaphorically to mean coordination or harmony.
Necessitem posar-nos d'acord per treballar en concert.
We need to agree to work in concert.
Here, 'concert' is used to signify an agreement or mutual understanding.