Audacity​
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​Audacity is a free sound editing tool that allows you to record and edit your own audio tracks for narrations, music, recorded lectures, podcasts, etc. Audacity is available on Windows, Mac and Linux computers. 

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​Tutorials

If you would like to export Audacity tracks as Mp3 files, you will need to download the LAME plugin. You can find a safe download for the LAME plugin here.