Cal help copy paste transpose

Hi ive got a problem i

I want to know if exist a cal file which make this: copy the events in traks 1-2 paste it to the 3-4 traks transpose it of a semitone copy the 3-4 traks paste in the 4-5rd traks and transpose it of a semitone etc for 12 semitone

And after 12 semitones wil makes the contrary descendant scale