(1) MusicStacker lets you re-master your online copy protected music. (2) MusicStacker lets you save the music in any of the following formats MP3, WAV, OGG and RAW. (3) MusicStacker automatically tags output music with ID3 Tag for MP3 outputs. (4) MusicStacker lets you select an output/input from your soundcard for recording (You can even re-master your LP). (5) MusicStacker technology does not have the 3 to 6 second delay associated with other software. (6) The digitally remastered file can be enjoyed freely and moved to other media such as MP3 Player, CD, iPod.