Download this Ancient Solfeggio Frequencies AU VSti plugin instrument authored by Mark Tinley. The six most recognised frequencies can be toggled from the interface. All nine frequencies can be played from a MIDI keyboard. The closest corresponding scale is Cm using just intonation based on pure harmonics at Stuttgart pitch. The tuning table in the Read me.txt file for 12TET (Equal temperament) differs to just intonation. You can use the included 12TET table to tune your keyboard to a key which corresponds with each of the Ancient Solfeggio Frequencies. There is plenty of information about the Ancient Solfeggio tuning system on the Internet. https://www.google.com/search?q=Ancient+Solfeggio+tuning+system There are 32 bit and 64 bit versions for Mac and PC. For PC users, please copy the .dll and .instruments files to your VST folder. Where x64 is the 64bit version and x86 is the 32 bit version. The files can be put in a subfolder but must both be in the same folder. For Mac users, please navigate to /Library/Audio/Plug-Ins in the Finder?s Go menu SHIFT+APPLE+G (Go to Folder?) and drop the AU.component of your choice or the .vst instrument into the appropriate folder. Start your audio program. Load the plugin. *** DISCLAIMER *** This software (Ancient Solfeggio Frequencies Plugin) is provided ?as is? without warranty of any kind. The author makes no guarantee of correctness, accuracy, reliability, safety or performance. The user alone is responsible for determining if this software is safe for use in their environment. Neither the author nor anyone else who has been involved in the creation or delivery of this product shall be liable for any direct, indirect, consequential, or incidental injury or damages arising from the use or inability to use such product. *** LICENCE *** Ancient Solfeggio Frequencies Plugin is freeware. Ancient Solfeggio Frequencies: ? 2014 by Mark Ty-Wharton (aka Tinley). All Rights Reserved. All other copyrights and trademarks are the property of their respective owners. VST and ASIO are trademarks of Steinberg Soft- und Hardware GmbH. The author reserves the right to change the terms and conditions.