Were there punchcards involved? Minicomputers? The internet is surprisingly silent.
The only real hit on the less creepy search engine (aside from long-link-deathed "lists of weird jobs" from the 00s) was from someone who happened to mention that she worked as a solfeggist before or during her career as an adult actress. Details are scant. Clearly she has underestimated the huge potential audience of weirdos reading early-80s music industry magazines and asking themselves "what was that all about?"