[LAU] studio prep question.

[Ralf Mardorf]

On Sun, 25 Feb 2018 20:34:53 +0100, Manuel Haible wrote:
>A pillar filled with sand as speaker stand. The speaker could sit on
>top of one meter sand. Attached a sketch for visualisation

Assuming Karen should play piano and a friend should be a singer and
they might want to perform someting like
https://en.wikipedia.org/wiki/Der_Tod_und_das_M%C3%A4dchen
not to mentioen the free jazz drum and sax session :D, any pictures for
a sandbag to do this job?