Electronic Drums with Shell Script + SoX

drum.sh

#!/usr/bin/env sh

options='--multi-thread -q'

while read -n 1 -s key
do
    case $key in
        0) echo "Kick "; play $options kick.wav &;;
        4 | 5) play $options hat.wav &;;
        1 | 2) echo "Snare "; play $options snare.wav &;;
        q | e | x) echo "Exit"; exit;;
        *) echo "Unknown key";;
    esac
done