1:
If you mute that offending bass track and play the entire song, can you confirm that you don't hear any bass at all, including the held note at the end of the song?

2:
If you open that track with the bass in the piano-roll editor, do you see the offending bass note that is x-bars long at the end of the song?

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BIAB & RB2026 Win.(Audiophile), Windows 10 Pro & Windows 11, Cakewalk Bandlab, Izotope Prod.Bundle, Roland RD-1000, Synthogy Ivory, Session Keys Grand S & Electric R, Kontakt, Focusrite 18i20, KetronSD2, NS40M, Pioneer Active Monitors.