by first letter:
$ifgreater($strstr(' 0123456789()',$left($if3(%album artist%,%title%),1)),0,'#',$left($if3(%album artist%,%title%),1))|
[%album artist%]|
$if(%album%,[%date%'. ']%album%)|
[%tracknumber%'. '][$if($meta(album artist),%artist%' - ')][%title%]
by date:
$if3(%date%,'N/A')|
[%album artist%]$if(%album%,' ? ')[%album%]|
$if(%album%,[%tracknumber%'. '])$if($meta(album artist),%artist%' ? ')[%title%]
воооооооооооот....