Could it be that this represents a system for generating music?

[Aga Tentakulus]

As our understanding of the images advances, we might also discover new ways to interpret the text.

But here, too, you need something to compare it with.
In Asia, for example, ginseng is often depicted as a male figure.

   

In Europe, it’s more commonly the mandrake.

   

Given this similarity, it’s not a big leap to imagine them being depicted as male figures as well.

   

And sometimes they even have names, as in this example.
Apparently, the roots once even wore clothes.
Alraunen Marion und Thrudacias (Wien, ÖNB, Cod. Ser. n. 55075) 
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Use more reference material. Otherwise, it’ll look as though it’s all just your own idea.