Take a look in Options - Preferences - Midi Settings. Here is what I see in your midi file (see picture). I have to admit it does not agree with what my VSTSynthfont64 is playing when I play your file. <<confused>> crazy

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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