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Comment by rconti | Hacker News Reader

> Aside from some audio tracks and a table of contents over those tracks, very little extra information is included on a disk - you've pretty much only got the artist name, album name and track names actually burned into the disk.

Huh, I actually didn't think there was any metadata at all.

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Yeah audio CDs do (or at least can) carry those bare bones of metadata, which can be used by some CD players with built-in displays to display the currently playing track title etc.

It's defined by the CD-Text extension[0] to the Red Book standard.

I think classical releases probably make greater use of it to encode things like composer and arranger, since they are more important to that audience, but for the average popular music release you're only going to get the artist and title, and maybe the ISRC that few are going to care about/display anyway.

[0] https://en.wikipedia.org/wiki/CD-Text

Yeah he goes on to talk about an external data source for metadata, so this statement is, as far as I know, wrong, even by the standard of what’s in this article.

no, there's a part about it later, assuming we can take their word for it: (ugh, HN formatting is the _worst_)

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Taking a look at the metadata embedded into the disk itself, we can see that track 6 is actually titled "Don't Need a Reason" on there:

FILE "./06. Finish Ticket - Nothing Coming Soon.flac" WAVE

  TRACK 06 AUDIO

    TITLE "Don't Need A Reason"

    ISRC USDPK2300133

    INDEX 01 00:00:00

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