This Is Your Brain on Active Subwoofers
https://medium.com/@aearnec3yg/10-apps-to-help-you-manage-your-portable-compact-cd-boombox-e63e01ba7316
Be sure to backup the music you download. It takes quite a bit of time to create a large library of songs, not to mention money. You don't want to lose all those files. Your software just won't cut it. Use an external