Transposing Loop Groove Clip Pitches in multiple Markers

In my earlier post I called them keys but what I'm looking for is how to change the Groove Clip Pitches in multiple Markers. Sometimes I have a whole song of loops ready to go only to find out I need to transpose. Right now I have to go into each individual marker and change the groove-clip pitch. Anyone know if X2 fixes this? Thx, Mike F.