Just a note that the download code provided copies are not *all* 24 bit, despite their filenames
Code:
Input #0, mp3, from 'A1 Are You Shivering_ V2 (24bit) 1.mp3':
Metadata:
title : A1 Are You Shivering_ V2 (24bit) 1
iTunPGAP : 0
encoded_by : iTunes 12.9.5.5
iTunNORM : 00000689 0000053B 00003CE8 00003AFB 0005D700 0005D700 00007B9C 00007B9C 00058FC6 00054E29
iTunSMPB : 00000000 00000210 00000B30 0000000001839940 00000000 00D2E3C2 00000000 00000000 00000000 00000000 00000000 00000000
Duration: 00:09:36.08, start: 0.000000, bitrate: 192 kb/s
Stream #0:0: Audio: mp3, 44100 Hz, stereo, fltp, 192 kb/s
Actually that doesn't say it isnt 24 bit. But that's a low bitrate for 24 bit. The WAVs look ok.