many notes online.,. eg;: http://home.introweb.nl/~dodger/itunesserver.html
install/config mdnsresponder
install the daapd port
edit /usr/local/etc/daapd.conf
add a _daap.tcp_. service to /usr/local/etc/mdnsresponder.conf
in /etc/rc.d add daapd_enable=“YES”