Hi, I have already connected Ableton Live 9 and Sibelius 6 (both 32bit) on a Rewire basis. Everything works fine, but I dont like General MIDI sounds from Sibelius and I would like to use GPO 4 in my sibelius file for my playback. Since GPO (or some similar things) runs, as i understand, on VST basis, probably is not possible to use GPO in slave mode (Sibelius)? or am i missing something? If this is true, is there some other option, how to use Sibelius in slave mode with GPO or some other "third party" sounds? Thanks for your possible answers in advance.