Collections of Albums - What tag?

[audio_elf]

I have various (what I would call) collections of albums. I like to have them listed by verbose album title in the main list of albums but I also want to group them together.

At the moment I have created a new tag called "Collection" to group the collection together and a second tag called CollectionAlbum for a alternative sorting order.

So for example I download the Bowers and Wilkins Society of Sound albums so I have

Album "Bought For A Dollar, Sold For A Dime [B&W:1]"
Collection "Society of Sound"
CollectionAlbum "01 - Bought For A Dollar, Sold For A Dime"

Album "You Think You Have It All [B&W:2]"
Colelction "Society of Sound"
CollectionAlbum "02 - You Think You Have It All"

My real question is can anyone see any issue with this tagging method going forward? Are there any "offical" tags that people can see would achieve the same result?

And as a second question - can I get MinimServer to show "Collection Album Title" rather than the current "CollectionAlbum"? - Okay I worked out this bit! RTFM is a good idea!

Eloise