You should study the help area on this forum and read also some user postings ... and do not look bad videos on youtu.be.
There is one proposal, out of the plethora of similar requests ...
Problem deriving artist from filename
To make it short ...
Use converter "Tag-Tag". Target field %ARTIST% Format string $regexp(%TITLE%,'^(.+?)\s*-\s*(.+?)$','$1') Prepend to existing value in artist field. Format ARTIST tag-field with: $regexp(%TITLE%,'^(.+?)\s*-\s*(.+?)$','$1')' '%ARTIST% Append to existing value in artist field. Format ARTIST tag-field with: %ARTIST%' '$regexp(%TITLE%,'^(.+?)\s*-\s*(.+?)$','$1') Remove first part from title field Format TITLE tag-field with: $regexp(%TITLE%,'^(.+?)\s*-\s*(.+?)$','$2')DD.20131207.2235.CET