Looping 5.1 wav files

To the best of my knowledge WaveLab 10 doesn’t support multi-channel wav files, correct?

If this is true, I still need to loop 5.1 wav files for a virtual pipe organ I’m creating. Suppose I create a mono mix-down of the 5.1 stems to a single conventional mono wav file and loop that file in WaveLab 10. Say, I also create a folder with each of the six tracks as discrete mono wav files. Is there a way to use scripting within the batch processor to apply the cross-fade loop data and loop points metadata from the mono mix-down wav file to each of the six discrete wav files?

Or… is there already a better way to loop 5.1 wav files with loop crossfades and loop points metadata?