Use this to convert FLAC from BandCamp or wherever - Simple and Works

flac2mp3.sh

#/bin/bash

for i in *.flac;
  do name=`echo "$i" | cut -d'.' -f1`
  echo "Converting $name into an mp3!"
  ffmpeg -i "$i" -ab 320k -map_metadata 0 -id3v2_version 3 "${name}.mp3"
done
echo "All done!"