I need to edit an mp3 file in itunes. Here's what I need to do:
I have a long mp3 file (1.5 hrs long)

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I need to cut some of it, add and extend pauses and once edited, put it together into one continious track (with extended pauses in between) and burn it.
How could I edit it, add pauses and put it together into one mp3 file? Any ideas on what software I could use, or could I use itunes?
iTunes is a media player, not an editor. You can use Audacity to chop up your file, move the pieces around, insert silence, and much more. It is a free, open source program, you can download it at http://audacity.sourceforge.net/
When you are done, you can export the file as a wav or download the mp3 encoder for Audacity and export as an mp3, if it has to be an mp3.
There is the free download link:
http://www.avs4you.com/AVS-Video-Editor....
Also, you can use Photoshop which may be difficult for us:
http://www.adobe.com
Movavi Video Editor you can try,
all the video editing software tools you need in one great product. Import media from different sources. Edit video, add soundtracks and titles. Apply filters, transitions, and special effects

Here's what the Movavi Video Editor video editing software gives you:

* Video editing timeline panel lets you edit video with separate video, audio, and title tracks
* Unique input media sources: audio & video screen capture and screencast built into the video editor
* Professional-grade filters & special effects
* Video & audio transitions
* Automatic slideshow creation
* Multiple ways to share your video creations after you edit video using our video editing software
Free download here:
http://www.flash-video-soft.com/movavi-v...
Hope it can help you.