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Help setting Library, using Expressions

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cochinada:

--- Quote from: JimH on March 03, 2023, 02:35:37 pm ---It's been discussed here, but there is little agreement on classical music.  Many different tagging systems and expectations.

--- End quote ---

There is no need for a consensus in order to make a Tutorial. In fact, quite the opposite. It will show people what and most importantly, how something can be done and then some will follow it and some will adapt it to their needs, but ultimately all who don't know how to implement some ideas technically, will obtain that knowledge.

cochinada:
Hi,

I'm using these 3 Expressions on 'Expression to group by' for trying to display my (Various Composers) and Albums with a known composer in standard view, but it doesn't work!!!

joaquim@joaquim-HTPC:/media/joaquim/Multimedia1/Musica/Classica$ ls
 A-D   E-M   N-Z  '(Various Composers)'
joaquim@joaquim-HTPC:/media/joaquim/Multimedia1/Musica/Classica$



1st Expression:
If(IsEqual([File Group Location], Various Composers,8), [Album], [Composer])

2nd Expression:
If(IsEqual([File Group Location], Various Composers,8),
if(!isempty([Disc #], CD[Disc #], [Album]),
[Album])

3rd Expression:
if(!isempty([Disc #], CD[Disc #], )

I don't understand how this works (I've tried to remove "Expression to group by" and replace with "Expression to display" but it is even worse) but I find it very hard to believe, not to mention utterly disappointing, if MC cannot present this very simple view the way intended, which is:

1st level:
(Various Composers) A-D   E-M   N-Z 

2nd level:
Composer (or Album in case of (Various Composers))

3rd level:
Album (or CD # in case of (Various Composers))

4th level:
CD # (or empty in case of (Various Composers))

No matter what I do or try, I always come up with something 'Unassigned' or even more weird.
Can anyone help or confirm that MC cannot do such a thing?

lepa:
I think you need to change
if(!isempty([Disc #], CD[Disc #], )
to display something in case there is no [disc #] ie one disc albums
E.g. display CD1 for those
if(!isempty([Disc #], CD[Disc #], CD1)
Otherwise you get that unassigned

cochinada:

--- Quote from: lepa on March 07, 2023, 02:36:18 pm ---I think you need to change
if(!isempty([Disc #], CD[Disc #], )
to display something in case there is no [disc #] ie one disc albums
E.g. display CD1 for those
if(!isempty([Disc #], CD[Disc #], CD1)
Otherwise you get that unassigned

--- End quote ---

Yes, if I do change that expression the way you say like for instance:
if(!isempty([Disc #], CD[Disc #], potatoes)

instead of Unassigned, I'll get an icon with "potatoes" as thumbnails text, on that view "level".
Still, it doesn't serve my goal where I simply would like to ignore and skip that level altogether.
The problem is that generally, and not considering the double vs. single albums, my "Various Composers" albums have one less sublevel folder comparing to the known Composers and MC cannot deal with it or it can but I don't know how.

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