Matching recording to correct work

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Sometimes a composer has several versions of the same work. What pointers would help me match a recording to the correct work, and if I am still unsure, can I guess?


When there are different versions of a work, there are usually multiple different works on MusicBrainz as well, with a disambiguation comment specifying which version. So you can link the recording to one of those if your release mentions which version is performed (you may have to create those works of course). There is also usually a “catch-all for arrangements” work, which you can use if you don’t know which version is performed. But I wouldn’t guess which version is performed. Unless there are some major differences that are very apparent, like one version having different parts, but that is the only reliable way if you can’t find a reliable source mentioning the version.

Pictures at an Exhibition is a good example of this practice.


It looks like you can add multiple ISWC codes to a single work on MusicBrainz, which makes sense if they are all credited to the same composer(s), so it doesn’t matter about distinguishing between them in this case.


That’s mostly because even literally the same pop song is sometimes registered twice or more with an ISWC because of multiple rights companies representing different artists and stuff like that (the whole industry is a mess really).