Trying this again, this is what I understood from the last exchange
$filename(utf16)$loop(%fieldname%,num)Title$char(9)Artist$char(9)Album$char(9)Track$char(9)Year$char(9)Length$char(9)Size$char(9)Modified$char(9)Path$char(9)Filename$char(9)Genre$char(9)Comment$char(9)BPM$char(9)Bitrate$looped((%artist%%album%$num(%track%,2))%title%$char(9)%artist%$char(9)%album%$char(9)%track%$char(9)%year%$char(9)%_length%$char(9)%_file_size%$char(9)%_file_mod_date%$char(9)%_folderpath%$char(9)%_filename_ext%$char(9)%genre%$char(9)%comment%$char(9)%bpm%$char(9)%_bitrate%$loopend()