MusicStacker digitally play and simultaneously REMASTER your protected or unprotected music. The following features are provided to the user: (1) Select a source directory. (2) Allow user to select one or more songs to play and simultaneously record. (3) Allow user to specify which format to save recordings; Musicstacker support many output format. (4) Allow user to select or create destination directory. (5) Music recorded is saved with the original file name into the destination directory. (7) The music file generated by MusicStacker has ID3 Tag for MP3 files created. (6) The digitally recorded/re-mastered music can be enjoyed freely or moved to other media, mp3 player, iPod, or CD.