MP3 Cutter is a freeware that could cut any part of MP3 file, with this free MP3 splitter, you can you can use the small mp3 parts to make ring tone for you cell phone.
You can also use the small part as startup sound of windows.
Feature of MP3 Cutter Portable:
* Extract small clips from a MP3 song.
* Put them as ring tone of your mobile.
* Put them as windows startup sound (after converting to wave format).
* Play your selected clips from within the software.
About MP3 Cutter Portable