If music festival tickets are not refunded, consumers can complain and safeguard their rights through appropriate channels. Specific methods include:

1. Understand relevant policies and contracts. When purchasing music festival tickets, you should pay attention to the relevant policies on refunds and exchanges and the terms stipulated in the ticketing contract, such as refund deadlines, refund methods, etc. If there is a refund dispute, this can be used as a legal basis to defend your rights.

2. Contact the ticketing platform or organizer. If you encounter a refund problem, you can first contact the ticket sales platform or the organizer to learn about the specific refund policy and process, and try to negotiate to solve the problem.

3. Complain to the Consumer Association. If you cannot reach an agreement with the ticket sales platform or the organizer, you can complain to the local consumer association for help and support.

4. Take legal measures. If the above measures cannot solve the problem, consumers can take legal measures and apply to relevant departments or courts for rights protection. It should be noted here: consumers must be able to provide sufficient evidence and supporting materials to prove that their requests are reasonable and legal.