Hiya Michie et al in Essex
Have you or your kith and kin tried playing Katie Melua's wonderful 2004 hit 'The closest thing to crazy' on an arranger keyboard such as the Technics KN's....
First bar is in three four time; second bar is in four four time; third bar is in three four time; fourth bar is in four four time and so on.
However I've found a midi file which gives a clear indication of how it may be done - they do have their uses...
Rog