Proudly presenting mine Tediously designed format strings everywhere, including very detailed auto-library, grouping and OSD details... I use a lot of tags very actively and avoid non-atomic values or redundancy, as you can see in the columns. Doing so makes it really easy to do things like telling OSTs apart from remix albums, single remixes and singles, grouping the OSTs of games/movies of the same series together, setting up well-balanced yet robust folder structures, etc. Yeah, I have little "normal" music.
Strings like
$if(%compilation album%,$if($strcmp(%compilation album%,'Various'),'Compilation Albums\'%album%[ '('$meta(album artist)')']'\'[%album variant%'\'][Disc %discnumber% - ][%track number% - ][[$meta(artist)]$if($and($meta(artist),$or((%composer%,%original artist%))), ,)[(%composer%)]$if($and(%composer%,%original artist%), ,)['['%original artist%']'] - ][%content group% - ]%title%[ '{'%subtitle%'}'][ '{'%instrument set%'}'],'Genres\'$if2(%genre%,Unknown)'\Remix Albums\'%content group%'\'%content group%' Series\'%album%[ '('$meta(album artist)')']'\'[%album variant%'\'][Disc %discnumber% - ][%track number% - ][[$meta(artist)]$if($and($meta(artist),$or((%composer%,%original artist%))), ,)[(%composer%)]$if($and(%composer%,%original artist%), ,)['['%original artist%']'] - ]%title%[ '{'%subtitle%'}'][ '{'%instrument set%'}']),'Genres\'$if2(%genre%,Unknown)'\'$if(%album%,$if(%original album%,'Remix Albums\'[%content group%'\']%original album%$if($strcmp(%content group%,%original album%), Series,)'\'%album%[ '('$meta(album artist)')']'\'[%album variant%'\'],'OSTs\'[%content group%'\']%album%[ '('$meta(album artist)')']'\'[%album variant%'\']),$if(%original album%,'Remixes\'[%content group%'\']%original album%$if($strcmp(%content group%,%original album%), Series,)'\','Singles\'))[Disc %discnumber% - ][%track number% - ][[$meta(artist)]$if($and($meta(artist),$or((%composer%,%original artist%))), ,)[(%composer%)]$if($and(%composer%,%original artist%), ,)['['%original artist%']'] - ]%title%[ '{'%subtitle%'}'][ '{'%instrument set%'}'])
become a little hard to maintain after a while though I actually even wrote my own Notepad++ FB2K format string colorizer for that reason
Foobar <3