1. Find WorldEdit.exe or World Editor.exe in the game installation directory to start the World Editor.
2. Open your dota map after running the World Editor, and press F5 to enter the sound editing interface.
3. In the pop-up menu, the directory tree on the left is all sounds in the game. Pull it to the bottom and you will see a small folder called Internal Music. Double-click to open, and you will see the background music in the game.
4. Select the music you want to listen to, right-click and select Play in the pop-up menu.
5. If you want to save them, just select them, right-click and select Export Music in the pop-up menu to save them as MP3.
6. Good luck! ^^