Mpd extensions

python

sudo pip install python-musicpd

import musicpd
c = musicpd.MPDClient()
c.connect('localhost', 6600)
c.find('genre', 'Jazz')
c.close()

netcat

echo "currentsong" | nc 127.0.0.1 6600
echo "find genre Indie" | nc 127.0.0.1 6600 | grep -i "^Artist" | uniq -i