How about the software of Sound taxi ?
Sound taxi download at Sound taxi Easily convert music files and various audio files to MP3, CD, iPod and other MP3 player file formats at 13x playback speed and CD quality.
SoundTaxi is easy to install and use with a very handy and clear user interface.
It lets you choose the compression level and it preserves ID3 tags for artist, album, title names etc.
A batch mode and the drag&drop function for folders and files allow to convert large music collections with just 1 click.
1- Copy DRM files to audio files
With just a few mouse clicks you can enjoy all your protected songs on iPod, any other MP3 player, CD player, mobile phone or PC - without any restrictions or DRM protection.
SoundTaxi converts any song that can be played with Media Player and generate MP3, AAC, WAV etc for use with iPod, any other MP3 player, CD player, mobile phone or PC
2- preserves ID3 tags for artist, album, title names etc.
It lets you choose the compression level and it preserves ID3 tags for artist, album, title names etc.
3- Batch mode to convert DRM music.
A batch mode and the drag&drop function for folders and files allow to convert and unprotect large music collections with just 1-click.
Detail information at Sound taxi