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[tgack]

I would like to create a custom field called "Composers (auto)" that has similar functionality to "Album Artist (auto)" field but it would look at the Composer field in all tracks of an album instead of looking at the Artist or Album Artist fields.

I'm not sure how to look across multiple tracks of an album in one epresson.

Does anyone know what an approach to the expression might be for this?

Thanks,
TGack

[joh]

I have a similar question: is it possible to create a custom field that similar to "Album Artist (auto)" defaults to the value of another field (i.e. "Artist") unless overridden (by "Album Artist")?

[Matt]

You can check for an empty field using something like:
If(IsEmpty([Composer]), [Artist], [Composer])

You can not look across all tracks in an album.

[Vincent Kars]

I'm not sure how to look across multiple tracks of an album in one epresson.

As far as I know, this is not possible using your own expressions.
The closest you can get:
-   select Album Thumbnails as the listing style
-   chose Thumbnail Text
-   add fields like Composer to the Thumbnail text

If you have 1 composer you get a name, otherwise Varies
I also tried ListBuild(1,//,[Composer]) in attempt to get all the composers involved but this doesn’t work