Install

sudo apt-get install mplayer2 festival python3 amixer
git clone --recursive https://github.com/terokorp/raspberrypi-nfc-mp3.git
cd raspberrypi-nfc-mp3
./nfc-mp3.py

Troubleshooting

If no sound

try following commands:

amixer cset numid=3 0 # output auto
amixer cset numid=3 1 # output jack
amixer cset numid=3 2 # output hdmi

amixer cset numid=1 400 # Full volume
amixer cset numid=1 0 # Loud

If no /dev/i2c-1

insert following lines to /etc/modules and restart

bcm2708-rng
i2c-bcm2708
i2c-dev