Samuel Sieb wrote: > On 6/17/26 7:38 AM, Todd Zullinger wrote: >> Samuel Sieb wrote: >>> On 6/16/26 8:05 PM, Robert Moskowitz via users wrote: >>>> mp3 for both. But I suspect something new in metadata. >>>> So I probably need some tool that can compare metadata >>>> between the two versions. Other than what shows up in VLC >>>> Info on the files. >>> >>> id3v2 -l file.mp3 >> >> I'd suggest eyeD3 or mid3v2 rather than id3v2. The latter >> fails to parse many valid ID3 tags, for me. > > Where did you get those from? They don't appear to be in Fedora (at least > the F43 I'm using now). The only cli one I found with a search was "id3v2". > There are a few graphical ones as well.
They are both in Fedora (and have been for many years). Those are the command names, which work for installing via dnf. The package names for them are python3-eyed3 and python3-mutagen, respectively. (It's a shame that dnf's search doesn't identify command names using the same logic and metadata it uses to install when given a command name. Maybe someone will fix that UI wart someday.) >> I tried it on a few of mine for curiosity, as I hadn't used >> it in a decade. None of them worked; id3v2 fails with "No >> ID3 tag" for anything I've encoded over the past several >> years. >> >> (I know that's not the case as I've got a more meticulously >> maintained set of tags than normal people. :) >> >> It may be that id3v2 is unable to parse Xing/MP3 Info >> headers or VBR encoded files, I didn't dig into it. Since >> it had the last commit around 2010, I'd call it moribund, at >> best. > > It's only for id3 format tags. If you're using something else, then the > message is correct. It works for the files I've made recently, showing both > the v1 and v2 tags. (I normally use ogg, but my car audio system doesn't do > well with that, so I copy to mp3 for there.) I know what the tags are and I am using ID3 tags. The id3v2 command fails on most of my mp3 files with valid ID3 tags. I did find some older files where it worked, which were CBR-encoded using an older LAME release. That's why I surmised that it could be choking on the Xing and/or MP3 info header from newer LAME versions. But really, I don't care too much why it fails -- it's ancient and unmaintained and there are better alternatives for CLI tag editing. FWIW, I contributed the lameinfo support for eyeD3, many years ago. I am (at times painfully) familiar with ID3 tags. :) -- Todd
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