The Warehouse Arts District Association
an Artists Member Art show with the theme
The arrangement or treatment of light and dark parts in a pictorial work of art
An effect of contrasted light and shadow created by light falling unevenly or from a particular direction on something.
Pictorial representation in terms of light and shade without regard to color
Details can be found here: https://www.warehouseartsdistrictstpete.org/page-18324