The main documentation is here.

https://github.com/TomWhitwell/RadioMusic/wiki

We suggest approaching it in this order:

1) Start by preparing the Teensy

https://github.com/TomWhitwell/RadioMusic/wiki/Preparing-the-Teensy-3.1

Hex File (software to flash the Teensy) - https://github.com/TomWhitwell/RadioMusic/blob/master/Collateral/hex%20files/Latest/RadioMusic1_1.cpp.hex

2) Build document here

https://github.com/TomWhitwell/RadioMusic/wiki/Building-the-Radio-Music-module

3) Prepping SD card here

https://github.com/TomWhitwell/RadioMusic/wiki/SD-Card%3A-Format-%26-File-Structure

4) Testing and Calibration here

https://github.com/TomWhitwell/RadioMusic/wiki/Testing-and-calibrating-the-Radio-Music-module

5) Troubleshooting and FAQ

https://github.com/TomWhitwell/RadioMusic/wiki/Troubleshooting-the-Radio-Music-module