In the six-minute song "Bear, " O'Brother relies on texture rather than volume and dynamics for its threatening ambiance.

WSJ: O'Brother | A Garden Full of Axes | By Jim Fusilli

There are many ways to detect explosives through senses of sight (general appearance and color), and touch (texture, weight per volume).

FORBES: Young Juvenile Makes An Explosive With Baby Powder And Other Tales From The URI Explosives Lab