"(Anasthesia) Pulling Teeth" (Metallica, Kill 'Em All, 1983)
160kbps MP3 ripped with iTunes in 2016
vs.
#FLAC made with #Asunder this week
Mixed channel spectrogram with #SonicVisualiser
There's an awful lot being cut out of the MP3, and maybe you can hear it and maybe you can't. On this track, it probably doesn't make a difference. But it's a stark visual.