HDH Sound Studios

American recording and mastering studio founded 1969 by Holland-Dozier-Holland in Detroit, Michigan. The studio was located in the old Tower Theater building.
Also credited as Holland-Dozier-Holland Sound Studios, H-D-H Sound Studios, H D H Sound Studios.

Recording, mixing and mastering engineers known to have worked here include
- Lawrence Horn (Studio Manager and Chief Engineer, runout etch: LTH)
- David L. Clark (Studio Manager and Chief Engineer)
- Bob Dennis (Studio Manager and Mastering specialist, runout etch: DENNIS or RAD)
- Greg Reilly (runout etch: GR)
- Barney Perkins (runout etch: BARNEY)
- Ed Redd
- Jerry Hall (2) (runout etch: HALL or JERRY)
- Brian Holland (runout etch: BVH)