This mod is a pure client mod that will play player custom music when the player continues to fly/run/glide for more than 5 minutes and the number of newly loaded blocks in the surrounding area exceeds 20 within your custom music[You need to create a resource package and place the OGG file of the music you want to customize in the path assets/running_map_music/sounds, and rename it to "running_map_music_1. ogg" ](commonly known as Map Exploring).
The RunningMapMusic Team
