[mb-users] Deducing from release to tracks

[Jim DeLaHunt]

Johannes:

Welcome to MusicBrainz, and thank you for your efforts to provide accurate
information about producers.


Johannes Dewender wrote:
> 
> A generel rule would be:
> If exceptions are stated, then you should move credits to the track
> level, in order to clearify the exceptual situation.
> If no exceptions are stated, it is better to leave the credits at
> release level, because even a naive Inheritance can't be proven wrong
> (just with the booklet).
> Justification:
> When one exception is stated, other possible exceptions in this credit
> would be stated, too.
> 
> 
> Thoughts about this "deduce-on-exception-rule"? 
> 

I agree with the summary by Lauri Watts (reproduced below). The reason why
the "deduce on exception" rule doesn't work is that we have many
AdvancedRelationships describing all sorts of information, not just who is a
producer. "Deduce on exception" is difficult for multiple editors to apply
consistently, it's difficult for software to process in an automated way,
and it's difficult to unify across different relationships.


Johannes Dewender wrote:
> 
> ...Is a note "vocals by V" on the release enough information to
> put it an all the tracks, even if it doesn't say on the release, that
> this is true for each and every track. ....
> 

I think what you are pointing out is that sometimes our information sources
(e.g. the CD liner) give us information that is not very precise.  Part of
the judgement you need to exercise as a contributor is to understand how
precise your information is, and what you can and cannot say based on it. 
The AdvancedRelationship system can record different levels of precision,
but you have to make the judgement about how precise to be.

Here's Lauri's excellent summary:


Lauri Watts wrote:
> 
> On 7/13/08, Johannes Dewender <brainz at jonnyjd.net> wrote:
>> Hello,
>>
>>  this might have been discussed already, but I couldn't find something in
>>  the style guidelines.
>>  On many releases there are only release-credits. Meaning: all the roles
>>  (producer, performer, ..) are only credited on release level. This is
>>  okay for human beeings, because they are used to think in exceptions
>>  (birds can fly, but penguins don't), but since we are using these
>>  credits to tag individual tracks and we want to share tracks between
>>  release in the future this will get bigger and bigger as a problem.
> 
> It was discussed heavily already, and the concensus was:
> 
> If it's applicable to all tracks, put it on all the tracks (easy to do
> now with the select tracks functionality)
> 
> If it's not applicable to all tracks, and you know which ones it
> applies to, put it on those tracks.
> 
> If it's not applicable to all tracks, and you can't know which ones it
> applies to, put it at release level.
> 
> If the credit is release level and does not apply on a track by track
> basis (e.g., mastering for the whole album) then apply it to release
> level.
> 
> If that isn't what the guidelines say, then the guidelines are what is
> out of date, we should fix them.  The above is the currently accepted
> practice, based on previous discussion and what I see going on in
> edits.
> 
> There are likely still albums that do only have release level tracks
> that aren't 'fuzzy' or release-wide from before this was really nailed
> down. If you find those, please fix them.
> 


-----
     -- http://jdlh.com/ Jim DeLaHunt , Vancouver, Canada  • 
http://wiki.musicbrainz.org/JimDeLaHunt

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