Stuff

#!/usr/local/bin/bashrename *.mp3 -s/\ /_/gfor x in *.mp3; do        artist=`id3ed -i $x | grep artist | awk '{ for (z = 2; z <= NF; z++) printf $z " " }'`        title=`id3ed -i $x | grep songname | awk '{ for (y = 2; y <= NF; y++) printf " " $y }'`        mv "$x" "$artist-$title.mp3"done