When entering or editing an SACD with a separate 5.1 and 2-channel mix, it occurs to me to use the “remix of” relationship to link the pairs of recordings. But which way? Is the 5.1 a remix of the stereo or the other way around?
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… which leave no way I can discover in nusicbrainz to document that these are in fact identical performances. Rather than add a new type of relationship, I suggest that the simplest way forward would be to change the rules you quoted!
They are usually different mixes of a core work. Rarely it is an upmix or downmix made from them other and, when this is the case, it is not disclosed on the cover, but can only be deduced from subjective analysis. Often the stereo mix is the same as releases previously, but the enginers would go back to multitracks to make the surround mix.
Of course they are all mixes of the original studio masters. But those masters are not commonly released and do not have MB entries. So as far as MB is concerned the 5.1 and stereo mixes currently have to be recorded as completely unrelated. Surely I am not the only one to find this unsatisfactory.
A related question. Do they have separate ISRCs? Doeas anyone have any data on this?
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The ISRCs can be the same or different. I think it is not correct for them to be the same, but it is what it is. If you have the SACD ripped, you can extract the ISRCs using these commands:
sacd_extract.exe -2 -C -i"name.iso"
sacd_extract.exe -m -C -i"name.iso"
Or search with a hex editor for “SACD_IGL”
If I had two stereo mixes, I wouldn’t say that one is a remix of the other. A “remix” is usually when a DJ-like person chops up a recording and rearranges it with new instruments, usually to make a dance mix.
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come to think of it, I do wonder about a new relationship to link these two together, since we already have one for karaoke versions of recordings, even tho they’re likely also new mixes from the studio multitracks, just excluding vocals (at least for official recordings)
this relationship would prolly also be useful for mono to stereo as well, so we should keep that in mind in the wording
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Somewhere buried in the ticket list is a way of noting the channels in a recording. Mono, Stereo, Quad, 5.1, etc
I agree with above that these are not remixes of each other. They are different mixes of the source material.
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