IIRC MIDI files contain tempo information, but WAV files don't.
Maybe acidised files have tempo data, but I have never relied on this.
When I import WAV files into Sonar, I need to first set the tempo to match the original BiaB song, then everything lines up.
That's the process I use, FWIW.
Best
Trevor


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.