shown in the screenshot below <Composer-Album>: $Sort($If($RxReplace(<Album>,"(^.*?)(\:.*$)","$1")=$RxReplace(<Composer>,"(?:^.*\s)(.*$)","$1"),$RxReplace(<Album>,"(?:^.*?\:\s)(.*$)","$1"),<Album>))Present Workaround
: Have 2 virtualtags, one for display (w/o $Sort) and one for sorting (w/ $Sort). The album featuring Gil Shaham below has "Vivaldi: The Four Seasons (OCO: Shaham)" as its <album>.Rationale
: For classical music in this instance, there are many albums whose <album> tags consist of "Composer (Last Name): Album title" due to the presence of multiple composers on a single album. In a dedicated composer playlist presenting tracks by said composer only, I (or rather my OCD
) found the composer name prefixing the album title to be redundant, thus unnecessary. The present workaround is fine, but it uses up two virtualtags instead of one if $SSort() was an option.