A few more plinth designs.
I feel I may know better what shape the plinth may take, when I design the 'The Kingdom of Sound'. environment. I think it should integrate seamlessly with the arena-like surroundings described in the script. Aligned with the basin where the various music note civilians gather around.
Here are a couple of initial sketches. I'm not entirely certain of the proportions. For example how large the Conductor is in relation to the basin. And how large the basin is in relation to the arena.