remove metadata file with linux terminal

install package

sudo apt-get install id3v2

check metadata just now

id3v2 -l some_file.mp3

erease metada

id3v2 -s some_file.mp3

erease metada

id3v2 -s some_file.mp3

all files a folder

for i in *.mp3; do echo "Processing $i"; id3v2 -s "$i"; done

Fuente: https://askubuntu.com/questions/26911/erase-and-rewrite-mp3-id3-tags