First one looks legit.
Code:
ffprobe http://dl.4mlinux.com/oldies/sample.669
...
Input #0, libopenmpt, from 'http://dl.4mlinux.com/oldies/sample.669':
Metadata:
title : ? Euphorium ?
encoder : Composer 669
comment : ? Euphorium ?
: Steve Mason 02.13.94
: Composer's Competition I
:
Duration: 00:02:56.36, bitrate: 10 kb/s
Stream #0:0: Audio: pcm_f32le, 48000 Hz, stereo, flt, 3072 kb/s