Dan Fenton's - the passing of migratory sounds
Image from "New Glass - Stained glass for the age of handmade houses", by Otto B Rigan with photographs by Charles Frizzell.
Unfortunately not one of the many wonderful color plates in the book. It is still lovely in black and white. Dan is quoted as saying this piece was inspired by music - especially Miles Davis's. The soft triangular shapes are delicious with movement, particularly difficult to capture in a two dimensional work.