with Marco Pontello's HdRen, a simple Python 2 script that adds file signatures to filenames, making it easy to spot imposters:
$ls -1
1.mp3 2.mp3 3.mp3 $hdren.py foo/
... $ls -1
'4D5A5A01=2.mp3' 'FFFB90C4=1.mp3' 'FFFB90C4=3.mp3'
/nix | May 07, 2023