Musical Water Glasses- ever treated as more than just a parlor trick?

Miss Congeniality (was to be Sandra Bullock’s “talent”)

“Talent” and plot point (even a plot point done for laughs) is a few grades above parlor trick, right?

I would have sworn Cecil wrote a column on this, but I can’t seem to find it in the archives…

The main theme of the very excellent soundtrack to Rian Johnson’s Brick was mostly played on water-filled wine glasses.