It was already much puzzled what is hidden in the published several days ago Update for Apple's GarageBand everything. Now it's out: GarageBand supports, developed by Propellerhead Rewire technology, is now regarded as the standard for the integration of different audio software. Rewire is an cient host interface, with the bsp. Aufgenommmen software instruments of an application in the editor or a sequencer mixer can be played back and processed. An appropriate test of GarageBand is in the pipeline, so stay tuned ...
more infos at bei docs.info.apple.com