"Cockos Reaper" and ID3 Metadata in mp3 tracks

[Sergius]

Hello Ohrenkino, yes you are right, LyricsLover, Florian, I have already received this link from them too, I noticed,
BPM, TBPM, Tempo, Beats per minute, the tags are written in the same word family, if I may say so

We see from Internal to ID3v2.4 that it is BPM and TBPM and that the Tag has changed from Mp4, it is tmpo (tempo)
Mastroska T=30, t for tempo I suppose
ASF/Windows Media WM/BeatsPerMinute (Windows Media/BPM)

For the info on the riffs, I did a search on Mp3tag, you already talked about it with Florian

@Florian

It's actually two different tag types — RIFF INFO and ID3v2, both stored in RIFF chunks for WAV files. As @ohrenkino has pointed out, it's not possible with Mp3tag to use only one of those tagging formats, always both are written.