At first, my friend asked for help to cut a song, you want to take the course introduction of ringtone (ringtones), mobile phones. Immediately I remembered that a program for the Court of the song that I used. 

Now, if you are interested and want to cut cutting MP3 files, for example, wants to take his tone reff meant for the mobile phone, you can try to use the program's audio MP3 Cutter (MP3 Cutter) is. Download it...