I don't know if I am hallucinating this, or what, but I distinctly remember Microsoft doing two releases of old movie sound samples on sets of 3.5" floppies in the early 90s? 🤔 I can't find any reference to it on the intarwebs. I'm confident it pre-dates CD-ROMs.
Microsoft Home Software Catalog (Winter/Spring 1995) : Microsoft Corp : Free Download, Borrow, and Streaming : Internet Archive

Winter/Spring 1995 Microsoft Home Software Product Catalog

Internet Archive
@welshtroll @codinghorror That catalog sent a massive wave of nostalgia through me, a sudden flash of deeply and profoundly missing the nineties.