No, GP8 does NOT have a stem splitter, BUT you can import audio files into it to play back with a transcription that you make. I use a hybrid system. I use BIAB for the splitting, tempo equalization, and chord analysis. Then I either import the adjusted audio master into GP8 or just one of the stems. For instance if I am doing a transcription of the bass part, I might just import the BIAB split bass part into GP8