First of all you could apply an action of the type "Import Tag-Fields" (Guess values) for TITLE.
Enter a guessing pattern like the following:
%artist%-%title%_%dummy%
THis should move AdaJonesBillyMurray to ARTIST and SmileSmileSmile1908 to TITLE. It discards 64kb.
To separate the Words that start with a capital letter have a look at this FAQ: