: To keep the "punch" of the rhythm section, Swedien would record the drums on a 24-track tape and then put it away, never playing it again until the final mix. This prevented the tape from wearing down and losing high-frequency detail during months of overdubbing.
Jackson treated his vocals as a complex percussive and melodic layer rather than just a delivery system for lyrics. Micheal Jackson Audio
A hallmark of Jackson’s albums, particularly Thriller and Bad , was the . Developed by Bruce Swedien, this was not a single piece of hardware but a methodology for capturing "true stereophonic sound imagery". : To keep the "punch" of the rhythm