Script and data to update mp3 files with metadata. Assumes mp3 files in "tracks" subfolder.

mp3tag.sh

#!/bin/bash

author="Palacios Area Historical Association";
album="Palacios Historic Homes Tour";
subtitle="City by the Sea Museum, Palacios, Texas";
total="51";

# loop over two coloum csv of track numbers and titles
while IFS="," read i t
do
  if [ -n "$i" ]                     # skip blank lines
  then
    echo "[Info] Setting tags for $i - $t";
    j=`printf %02d $i`;            # track numbers as two digits with leading zeros
    mid3v2 -a "$author" -A "$album" --TIT3 "$subtitle" -g "12" -t "Track $j - $t" "tracks/$j Track $i.mp3"
  fi
done < tracks.csv

tracks.csv