1. Through the official websites of local culture, tourism, radio and television, press and publication, etc. , check the approval and publicity information of the music festival.
2. Call the local culture, tourism, radio and television, press and publication and other relevant departments to consult the approval and publicity of the music festival.
3. Check the local media reports, such as newspapers, TV stations, radio stations, etc., to understand the approval and publicity information of the music festival.