It's unlikely a modified guitar like Mr. Gourley's easily recognizable White Falcon can be played in public.

WSJ: The Sounds of Silence | By Jim Fusilli

Among the items lost were Mr. Gourley's Gretsch White Falcon guitar, which he had customized, and Zach Carothers's 1981 Fender Precision bass, a workhorse prized by musicians for its tone and versatility.

WSJ: The Sounds of Silence | By Jim Fusilli

The mother falcon, sleek and gray with a banded gray and white belly, squawked furiously as Nadareski crawled toward the box.

WSJ: 4 falcon chicks living on NY-NJ bridge are banded