09.09.2019

1.  Oxygen-Icons.org-Oxygen-Actions-help-about.ico
License: GNU Lesser General Public License
Oxygen Team http://www.oxygen-icons.org
http://www.iconarchive.com/show/oxygen-icons-by-oxygen-icons.org/Actions-help-about-icon.html


2. Oxygen-Icons.org-Oxygen-Mimetypes-audio-x-wav.ico
License: GNU Lesser General Public License
Oxygen Team http://www.oxygen-icons.org
http://www.iconarchive.com/show/oxygen-icons-by-oxygen-icons.org/Mimetypes-audio-x-wav-icon.html


2b. Please download yourself if you want to use it
alternative icon to Oxygen-Icons.org-Oxygen-Mimetypes-audio-x-wav
Iconshock-Real-Vista-Multimedia-Audio-wave.ico
Iconset: Real Vista Multimedia Icons
License: Free for non-commercial use.
Commercial usage: Not allowed
Iconshock https://www.iconshock.com/
http://www.iconarchive.com/show/real-vista-multimedia-icons-by-iconshock/audio-wave-icon.html


3. Mart-Glaze-Binary.ico
License: GNU Lesser General Public License
Mart (Marco Martin) http://www.notmart.org
http://www.iconarchive.com/show/glaze-icons-by-mart/binary-icon.html


4-6.Microsoft Icons: 
mmsys, mmsys3, mmcndmgr_search
The legal Microsoft Windows operating system with these icons included must be used.

4a. alternative icon to mmsys 
Everaldo-Crystal-Clear-App-sound-control.ico
Everaldo Coelho, http://www.everaldo.com/
License: GNU Lesser General Public License
http://www.iconarchive.com/show/crystal-clear-icons-by-everaldo/App-sound-control-icon.html
