A script allow a fading in alarm for mpd

Alarm.sh

#!/bin/bash
server="192.168.1.66"
vol=30
targetvol=100
dovol(){
    until [ $vol = $targetvol ]; do
        mpc -q -h $server volume $x
        sleep 0.5
        ((x++))
    done
}

mpc -q -h $server stop
mpc -q -h $server clear
# You will need to make a MPD playlist called Alarm for this to work
mpc -q -h $server load Alarm
mpc -q -h $server play

dovol &

mpc -q -h $server current --wait

kill $!

mpc -q -h $server volume 60