** Yes, you usually need to bring your ID card or other valid documents to attend music festivals * *. This is mainly to ensure the smooth progress of activities and the safety of participants.

On the one hand, music festivals often have a large influx of people, and the geographical location may be remote and the cell phone signal may be poor. In this case, if you need to buy water or food, cash will be necessary.

On the other hand, carrying ID cards is also to deal with possible emergencies, such as minors mixing into the scene or needing to confirm their identity to cooperate with emergency rescue.

Different music festivals may have different rules and requirements, so you must read and abide by the relevant rules and requirements carefully before you attend. For example, some music festivals may need to carry a passport or other valid documents to prove their identity.

generally speaking, it is necessary to bring valid identification documents when attending music festivals to ensure a safe and smooth participation experience.