It is prohibited to listen to music that causes rapture. If it does not do so because of its short period of time or the way that it is played, like the military music, then it is not prohibited to listen to it.
Hijab is mandatory for a woman and she cannot leave it after reaching the age of bulugh – which is completing the age of nine lunar years. She must continue to wear it until she reaches an age at which she is not conventionally expected to marry. Hijab is a religious obligation that does not change because of time and place. The laws of the Islamic religion are from God and they last until the Day of Judgment.
The popularity of the concept of taqlÄ«d amongst the masses in these days is due to the broad existence of means of communication which have led to the wide spread of knowledge of religious laws. It is not because the concept is new. Rather, it was present at the time of the Imams (peace be upon them) when they were directing their companions and followers, in general, to learn the religious laws. This naturally led to many people asking questions about their affairs, and it was not practical for all of them to reach the Imam (peace be upon him) and ask him in person, so they used to refer to his close companions who could be reached to gain knowledge in religious laws. There were known narrators who were giving edicts to people and the Shias used to refer to them during those days, like Muhammad bin Muslim, Zurarah, Zakariyya bin Adam and others.
This need continued to exist after the occultation of the Twelfth Imam (peace be upon him) until now.
It is a natural need and a sensible process, as people refer to the experts in various fields like medicine, engineering and other kinds of expertise, as people are not satisfied with their own limited knowledge in these areas.