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Key: STYLE-130
Type: New Feature New Feature
Status: Reopened Reopened
Priority: Normal Normal
Assignee: Unassigned
Reporter: Valeriy Orlov
Votes: 5
Watchers: 4
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MusicBrainz Style

Addition of the signs (attributes) "probably" and "either... or" to relationships

Created: 24/Dec/11 07:25 AM   Updated: 19/Nov/12 10:53 PM  Due: 05/Jul/12
Component/s: Relationships
Affects Version/s: None
Fix Version/s: None

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In many cases some recording details remain uncertain. Examples:
1) probably Specled Red on piano;
2) John Smith or Peter James on drums;
3) recorded possibly in (near) 1957;
4) recorded in March 13 or December 21, 1959.
Now in all similar cases we can not reflect correctly this information.
For the case (1) we have three possibilities:
a) do not mention neither Speckled Red nor piano;
b) mention "unknown on piano";
c) mention "Speckled Red performs on piano" as established fact.
Each of these variants is a poor choice.
For the case (2) we can:
a) mention "John Smith performs on drums" and "Peter James performs on drums";
b) mention only "John Smith performs on drums";
c) mention only "Peter James performs on drums";
d) mention "unknown on drums";
e) do not mention neither drums nor drummer.
Each of these variants is a poor choice.
And so on.



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Alex Mauer added a comment - 03/Jan/12 08:27 PM

I really like (and want) this idea, but the only problem I can see is that you'd have to know beforehand that it is in question.

i.e. You have one source that says "John Smith on drums" so you enter that. And then later on you find a second (hopefully more definitive) source that says "it was either John Smith or Peter James on drums", so you have to go back and add that 'or' attribute to the John Smith relationship, as well as making sure to turn it on for the new AR.


Jacob Brett added a comment - 01/Mar/12 11:37 AM

Regarding temporal wording:

Here are my suggestions (from the top of my head):

  • Globally: "X performed Y instrument on Z, sometime between XXXX-XX-XX and XXXX-XX-XX"
  • On the release page: "Y instrument: X (sometime between XXXX-XX-XX - XXXX-XX-XX)

Specifically regarding "recorded possibly in (near) 1957", I think it would be safest to only include date ranges which can be deduced, not simply guessed. I don't mind the "or" operator, though as long as the dates are also deduced (an example I can think of is an artist performing at the same venue twice in a year but the live release not giving a date) and not simply a huge list of potential dates.


Nicolás Tamargo added a comment - 26/Jun/12 07:38 PM

If you want this done with attributes, it's a style issue and needs an RFC. If you want it done in other way, it's a schema change server issue.


patate12 added a comment - 28/Jun/12 12:54 PM

patate12 added a comment - 19/Nov/12 10:53 PM

Maybe we would also need the NOT keyword :
http://chatlogs.musicbrainz.org/musicbrainz/2012/2012-11/2012-11-19.html#T22-50-08-733315

« maybe/probably/guess not wrote the song »