'ft xx)' from Title to end of artist and remove '(prod. xxx)' from title

Your request has been solved multiple times in nearly all variations. Search the forum posts.

Maybe I can add another approach.

Begin Action Group Test_2012#20120524.clark1

Action #1
Actiontype 7: Import tag fields (guess values)
Source format __: %TITLE%
Guessing pattern: %TITLE% (%FEAT%) %TITLE2%

Action #2
Actiontype 5: Format value
Field ______: ARTIST
Formatstring: %ARTIST% %FEAT%

Action #3
Actiontype 5: Format value
Field ______: TITLE
Formatstring: %TITLE% %TITLE2%

Action #4
Actiontype 9: Remove fields
Fields to remove (semicolon separated): FEAT;TITLE2

End Action Group Test_2012#20120524.clark1 (4 Actions)

From
Title: SongX (ft Jane Blow) [INSTRUMENTAL]
Artist: Joe Blow

To
Title: SongX [INSTRUMENTAL]
Artist: Joe Blow ft Jane Blow

DD.20120524.2211.CEST