Hello Tony,
Great to see handwork...

that's something else as prefab...

Looks like it will be a solid construction when finished and the structure will probably be hurricane proof..
Thanks for sharing.
Look forward to see when it's finished..
Fred
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Keyboards/Sound Units: Kurzweil 2600S, Roland VR-760, Acces Virus C, Roland G-800, Akai AX60, Minimoog, Machine Drum, Roland R8-M, mediastation x-76