>>551
$date(%file_created%)のSort Patternに↓が使えないかな。

$sub(99999999,$replace(%file_created%,-,)
$sub(99999999,$replace(%file_created%,-,)) - $swapprefix(%album artist%) - $sub(3000,%date%) - %ALBUM% - %DISCNUMBER% - %TRACKNUMBER% - %TITLE%

Library TreeでもAutoplaylist PropertiesなどのSort Patternでも使えると思うし。

Library Tree - View Setting
Name: Created
View Format: Created|$date(%file_created%)|Artist\%artist%\Album\%album%\[[%discnumber%.]%tracknumber% - ][%track artist% - ]%title%
Filter: 空
Sort tracks sent to playlist by: $sub(99999999,$replace(%file_created%,-,)) - $swapprefix(%album artist%) - $sub(3000,%date%) - %ALBUM% - %DISCNUMBER% - %TRACKNUMBER% - %TITLE%