Operation steps:

1. Click the folder icon, and select a mp3(or wav, or m4a) song file;

2. Stay for a while;

3. Choose the target folder and filename for save the background music, and click 'Save';

4. Stay for a while;

5. After processing complete, the app will alert it has been complete, then click 'Confirm' to finished;

6. Then you can play the background music in the target folder you chose.

FYI, you Can Not play the target background music in the target folder Before the app Alerted 'Write output complete'.

Supported Operation System:

• macOS 10.14 or later

• Apple Silicon or Intel Core processor

Mac App Store : https://apps.apple.com/de/app/background-music-abstractor/id1507725299