Audacity® is free, open source, cross-platform software for recording and editing sounds. Screenshots. Audacity is available for Windows®, Mac®, GNU/Linux® ...
You may also copy, distribute, modify, and/or resell Audacity, under the terms of the GNU General Public License (GPL) as published by the Free Software ...
You can use Audacity to import music into your project, convert different audio files from one format to another, bring in multiple files and convert them, and more.