find /PATH/ -type f -exec basename "{}" + 2>/dev/null | cut -f1 -d '-' | LC_ALL=C sort -f | gsed -e "s/b(.)/u1/g" | uniq -c -i | sed -e 's/ $/;/' -e 's/./_/g' | awk '{numero=$1;$1=""}{print $0,numero}' | sed 's/^ *//' |  perl -pe 's/^(w+ w+ w+ )(w.)/1;/g'  > /PATH/MYMUSIC.txt;
awk -F";" '{a[$1]+=$NF} END {for(i in a)print i": "a[i];}' < <(sed -e 's/   /;/' -e 's@([0-9]+) (.*)@2;1@' /PATH/MYMUSIC.txt)| LC_ALL=C sort -f  | sed -e 's/_/./g' -e 's/__;/ ;/' |  pr -3 -o 2 -w 200 -l 57 ;

Eddie 'Big Blues' Carson - Dip My Dipper.mp3

Eddie 'Big Blues' Carson - Mustang Sally.mp3

Eddie 'Big Blues' Carson w. Bobby Smith Big Sounds - Walkin' and cryin'.mp3

Eddie 'Big Blues' Carson: 3

Eddie 'Big Blues' Carson: 2

Eddie 'Big Blues' Carson w. Bobby Smith Big Sounds: 1