Here is your file in the BIAB-VST. It identifies the Melody track on channel #4 (where it should be) and which I believe is at least part of the problem versus over in BIAB which has it on Channel #3.

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Dan, BIAB2024, SoundCloud Win11, i7(12thGen), 32GB, 1TB SSD(M.2 NVMe SSD), 2TB Libraries, 1 TB(WD-Black), 2TB SSD(M.2 NVMe SSD)Data, Motu Audio Express, Keystation 61, SL88 Studio, Reaper