Are the FLACs from free-mp3-download.net legitimate? I found one song that has cutoff at ~16kHz (top). Most songs still have some cutoff at the top like 320K MP3 (middle) plus there's some
Stream Club Des Belugas & Maya Fadeeva - Chega De Saudade - MASTER 2 - Mp3 - 320 by Maya Fadeeva | Listen online for free on SoundCloud
Apparently I found no differences in MP3 320 Kbps quality between a bot and the Free MP3 site : r/deemix