I don't understand, "I am able to generate separate wav files to a map" or " the stop over file". The wave files are drag/dropped directly from the VST GUI, either individually or all at once and placed on the individual Reaper tracks. Maybe time for another video. In the mean time PGMusic has made a number of Reaper/BIAB-VST training videos (see below). Of couse you don't get the warm personal touch, but they do ok. grin Let us know if this answers you question?

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BIAB – 2025, Reaper (current), i7-12700F Processor, 32GB DDR4-3200MHz RAM, 1TB WD Black NVMe SSD, 2TB WDC Blue SSD, 1TB WD Blue, 2 TB SK NVMe, 6 TB External, Motu Audio Express 6x6