put this in Options→File Naming
File naming format:
$set(discnumber,$rsearch(%album%,\\\(disc \(\\d+\)\\\)))$set(album,$rreplace(%album%,\\s\\\(disc \\d+\\\),))$left($lower($replace($rreplace($rreplace(%albumartist% $if(%date%,$left(%date%,4)) %album%,[]\)'\,&.!#+:?]+,),[[\(]+,_), ,_)),64)/$left($lower($replace($rreplace($rreplace(%discnumber%$num(%tracknumber%,2) %title%,[]\)'\,&.!#+:?]+,),[[\(]+,_), ,_)),60)
Multiple artist file naming format:
$set(discnumber,$rsearch(%album%,\\\(disc \(\\d+\)\\\)))$set(album,$rreplace(%album%,\\s\\\(disc \\d+\\\),))$left($lower($replace($rreplace($rreplace(va $if(%date%,$left(%date%,4)) %album%,[]\)'\,&.!#+:?]+,),[[\(]+,_), ,_)),64)/$left($lower($replace($rreplace($rreplace(%discnumber%$num(%tracknumber%,2) %artist% - %title%,[]\)'\,&.!#+:?]+,),[[\(]+,_), ,_)),60)
(Mp3tag)
put this in the tag - filename convertor
$validate($lower($num(%track%,2)_$ansi($replace($regexp($regexp(%title%,'[\)&!\.,]',),'[\( ]',_),'',))),)