This is the 12879th most frequent Spanish word.
parecidos
"Parecidos" means "similar" or "resemblances."
In this sentence, 'parecidos' acts as an adjective describing how 'los hermanos' have faces that share similarities.
Los hermanos tienen rostros muy parecidos.
The brothers have very similar faces.
Here, 'parecidos' qualifies the noun phrase 'gustos musicales,' indicating that they exhibit likeness or commonality.
Nuestros gustos musicales son parecidos.
Our musical tastes are similar.
In this usage, 'parecidos' is used to indicate resemblance or likeness in abstract traits, particularly referring to 'su manera de pensar'.