To run TC Helicon in RB, you must have Powertracks 12 with build 12 patch applied. You can't just use any version of PowerTracks. Of course, if you are purchasing it now, that's what you should get.

Of course, BIAB does include the harmonizer, but you just won't get the granularity that you would within RealBand. But it works. And you can save the harmony as separate files for importation into RealBand. It's definitely easier, though, to do it all from within RealBand.

John

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