I'd like to ask a question regarding midi tracks and multiple articulations. I am presently using Garageband as my digital composition workstation and I'm thinking of getting GPO4. I'd like to play multiple articulations of say, a string instrument on one track. Presently, I'm using Apple's orchestra jam pack and it is able to do this using the automation parameters popup menu. Is it possible to have multiple articulations of a single instrument on a single Garageband track?