Thanks Matt, appreciate your input. Issue may be with the patch map as you suggest. My VSTsynthfont player identified the melody on Midi Channel #3, but played the trombone patch on it fine.


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