Found the culprit, it was the bass DI track but not due to tracking. Somewhere between converting and importing something went wrong. No idea, baffling. Deleted it, re-imported. Should be fixed now.
https://www.dropbox.com/s/lpx1k1o0fhkwl6b/Sweet%20Whisper_taureanmixing%20v2b.wav?dl=0