User:LordSputnik/Random Stuff: Difference between revisions

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The cover by Bjorn Again has its own group. This is the default group for the artist Bjorn Again, and all "Waterloo" tracks by Bjorn Again will go there. This group was automatically labelled cover, because the original performer is listed as ABBA.
The cover by Bjorn Again has its own group. This is the default group for the artist Bjorn Again, and all "Waterloo" tracks by Bjorn Again will go there. This group was automatically labelled cover, because the original performer is listed as ABBA.

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{{proposal
|proposal=
|champion=[[User:LordSputnik|LordSputnik]]
|status=RFC
|discussion=http://chatlogs.musicbrainz.org/musicbrainz/2012/2012-10/2012-10-23.html
|rfc=
|rfv=
|style=1
|ar=
|jira=STYLE-159
}}

__NOTOC__
__NOEDITSECTION__

=Introduction=
This proposal is designed to improve the guidelines on merging recordings. It is felt that the current guidelines are too vague, and that they don't cover all cases where recordings might be merged. This proposal seeks to expand these guidelines and make them clearer.

=Proposal=
Edit http://musicbrainz.org/doc/Style/Recording to change the section "What should and shouldn't be merged together?" to the following.

==What should and shouldn't share recordings?==
A recording is intended to represent a unique audio source. This means that generally, two releases should only share recordings if the audio source used to create them was the same. An audio source is considered unique as soon as any changes make it different from a previous source.

===Specific Cases===
#If multiple performances of a single work are recorded and released then each performance is a separate audio source, and each released performance should be given a separate recording.
#If there are multiple releases of a single live performance and each was recorded by a different device, each device is a separate source and each release should have its own set of recordings.
#If two versions of a release are mastered in audibly different ways then each release should have its own set of recordings.
#If a release is remastered from an earlier release, all the tracks on the new release should be new recordings. The source was changed when the recording was remastered. If another remaster is made, then the source has changed again, and another set of recordings should be made.
#If a recording is edited or remixed, the new version should have a separate recording.
#If a recording ends in a period of silence, and a new recording is made which changes the length of the silence, ...

===AcoustIDs and ISRCs===
In addition to these cases and the general guidelines, recordings with multiple, visibly different AcoustID fingerprints should not be merged. Instead, the recordings and AcoustIDs should be [[Guides/AcoustID|examined for correctness]].

In theory, recordings which have different sources should be assigned different ISRCs. In practice however, this doesn’t always happen. Recordings with different ISRCs should be examined closely to determine whether they are actually different. Similarly, recordings with the same ISRCs may in fact be different, so care should be taken before merging them.

Revision as of 10:19, 5 November 2012

Track Groups

  • Instead of selecting a recording when adding a release, you select the work. The track is added to the work, which contains a long list of all associated tracks in some non-default tab.
  • The list of tracks is arranged into track groups, which correspond to specific versions of the work. Track groups each have a corresponding artist and optionally a description.
  • All works have a new field, called "original performer". This contains the artist(s) who originally performed the track. The system uses this field to designate some track groups as "covers".
  • When a track is added to a work, it gets put into the default track group for the track artist. The default track group is probably where most tracks on compilations would end up.
  • You can move a track between track groups, and make new track groups. A track group would be made for every significantly different version of a track. This includes notable remasters.
  • Tracks in a group can have varying lengths. The length is unimportant, as long as the portion of audio that is in a track is the same as other audio in the group.

For example:

Song - "Waterloo"

  • Type: Song
  • Lyrics Language: English
  • Original Performer: ABBA

Track Group by ABBA

  • Track 1: 3:20 (from 1974 US vinyl "Ring Ring")
  • Track 2: 3:20 (from 1974 Swedish vinyl "Ring Ring")
  • Track 3: 3:01 (from 1999 CD "Best of the 70s")

Track Group (single) by ABBA

  • Track 1: 2:32 (from 1975 Swedish single "Waterloo")

Track Group "2001 Remaster" by ABBA

  • Track 1: 3:20 (from 2001 CD "Ring Ring")
  • Track 2: 3:21 (from 2002 CD "ABBA: The Complete 2001 Remasters")

Track Group (cover) by Bjorn Again

  • Track 1: 2:19 (from 1995 CD "Rung Rung")



There are no recordings here.

By default, "Waterloo" album tracks by ABBA will go in the top group, which is the default album track group. "Waterloo" tracks from singles by ABBA will go in the second group by default.

You can move tracks and merge tracks in edits after they've been added. Track groups can also be merged, created and split. In this case, the track group "2001 Remaster" by artist "ABBA" has been created by a user, and the two tracks in there have been moved there after they were added. Alternatively, there's an option when adding a release to put tracks in a specific group, to save editing afterwards, and to create a new group for the track. But these options are hidden by default.

The cover by Bjorn Again has its own group. This is the default group for the artist Bjorn Again, and all "Waterloo" tracks by Bjorn Again will go there. This group was automatically labelled cover, because the original performer is listed as ABBA.



Status: This page describes an active style guideline proposal and is not official.



Proposal number: RFC-Unassigned
Champion: LordSputnik
Current status: RFC
Initial Discussion


JIRA ticket STYLE-159



Introduction

This proposal is designed to improve the guidelines on merging recordings. It is felt that the current guidelines are too vague, and that they don't cover all cases where recordings might be merged. This proposal seeks to expand these guidelines and make them clearer.

Proposal

Edit http://musicbrainz.org/doc/Style/Recording to change the section "What should and shouldn't be merged together?" to the following.

What should and shouldn't share recordings?

A recording is intended to represent a unique audio source. This means that generally, two releases should only share recordings if the audio source used to create them was the same. An audio source is considered unique as soon as any changes make it different from a previous source.

Specific Cases

  1. If multiple performances of a single work are recorded and released then each performance is a separate audio source, and each released performance should be given a separate recording.
  2. If there are multiple releases of a single live performance and each was recorded by a different device, each device is a separate source and each release should have its own set of recordings.
  3. If two versions of a release are mastered in audibly different ways then each release should have its own set of recordings.
  4. If a release is remastered from an earlier release, all the tracks on the new release should be new recordings. The source was changed when the recording was remastered. If another remaster is made, then the source has changed again, and another set of recordings should be made.
  5. If a recording is edited or remixed, the new version should have a separate recording.
  6. If a recording ends in a period of silence, and a new recording is made which changes the length of the silence, ...

AcoustIDs and ISRCs

In addition to these cases and the general guidelines, recordings with multiple, visibly different AcoustID fingerprints should not be merged. Instead, the recordings and AcoustIDs should be examined for correctness.

In theory, recordings which have different sources should be assigned different ISRCs. In practice however, this doesn’t always happen. Recordings with different ISRCs should be examined closely to determine whether they are actually different. Similarly, recordings with the same ISRCs may in fact be different, so care should be taken before merging them.