The location of the music mark of the gta5 music cabinet on the map, detailed location:

1. First, open the gta online mode.

2. After opening, press the Esc key to open the map.

3. After opening it, find the music mark location on the map and go there.

4. After arriving, enter the music cabinet.

5. After entering, go to the counter and press E to pay the admission fee.

6. Then go to point M to trigger the plot.