https://www.youtube.com/watch?v=VZFJENRsISY
For perl-net-sdp
- libao-dev
- libssl-dev
- libcrypt-openssl-rsa-perl
- libio-socket-inet6-perl
- libwww-perl
- avahi-utils
- libmodule-build-perl
For light
- alsa-lib
- shairport: Sets up Pi as AirPlay receiver. Use perl-net-sdp to create SDP session.
- light: Match GPIO pins to notes of different pitch. Use wiring-pi to configure GPIO pins on Pi.