The acceptance of your father does not affect the validity of your marriage since it is not mandatory for the son to have his father's permission in getting married. However, try to convince him of your decision since the father has a great position of respect and appreciation from his children in Islamic ethics.
Yes, it can be paid as a charity on behalf of the item’s owner, but it is not obligatory. It is sufficient to intend to give it back when the owner is found, although it is better to pay it as a charity on the owner’s behalf. If you stole from a big company, then the owner is known. He should turn the item or its value to the manager or deposit the amount in the company's bank account where the owner can access it.
What is meant by this is the music that is not for entertainment and does not cause ‘tarab’, i.e. psychological interaction with the music or singing, whether it leads to joy, sadness, pride or any other emotion.
