Download and install the mp3DirectCut software. Launch mp3DirectCut
Select "File" from the toolbar on the top of the program and then select "Open"
Choose the MP3 file you wish to shorten. You can navigate through all your computer's folders using this menu.
Click the button labeled "Open".
Move the sliding bar on the center of the program over to locate where you want your shortened MP3 file to begin. A yellow dotted bar will move along the track to your desired location.
Press the "Set Begin" button to set this point as the start of your new MP3 file.
Move the sliding bar further to choose where you want the MP3 file to end. Press the "Set End" button. Your chosen section of the MP3 file will be highlighted in light blue.
Press "Play" to hear the part of the song you've selected.
Make adjustments by sliding the bar and choosing to either "Set Begin" or "Set End".
Choose "File" from the toolbar and select "Save Selection..."
Choose a location for the file and a new file name. Then press "Save".
Close mp3DirectCut and locate your new Mp3 file. Double click on the file to open it. It will now play the shortened clip you've selected.