OT: cakewalk / CAL question

[Axel]

Hi list,
I got a little prob, perhaps there's any CAL pro reading this ... ;-)
I have a track of chords, each chord has 4 notes.
I want to extract the upper notes of each chord to a new track, and do
this again & again, until I have 4 tracks with a simple melodic line
each, no more chords.
Do you think this is possible with CAL ?
Do you know of any CAL script that does it or does similar ?
Or any other program ?

Any help apreciated.
Thanx a lot !

Axel