This is the 10055th most frequent Catalan word.
oi
"Oi" in Catalan is a tag question meaning "isn't it?" or "right?"
The word 'oi' here is used as a tag question, inviting agreement or confirmation from the listener.
Avui fa un dia preciós, oi?
Today is a beautiful day, isn't it?
In this case, 'oi que' is used to express the expectation of agreement with the stated preference.
Oi que t’agrada la música clàssica?
You like classical music, don't you?
Here, 'oi' is employed to seek validation or agreement about an affirmative statement.