Where does hook collide?

In popular music, a hook is the short, memorable musical or lyrical figure that catches the listener's ear and makes a record stick (a repeated riff, a vocal phrase, or a title line built to be instantly recognisable). Burns catalogued the many kinds of hook (rhythmic, melodic, lyric, instrumental, and production hooks) and noted how records often stack several at once. The referent is a compositional device defined by its grabbing, memorable function, not a software extension point or a storm signature.[1]

Unit

The salience and memorability of a short musical or lyrical figure

Recovery means

Not applicable

Measured by

Identified by repetition, prominence in the arrangement, and listeners' recognition or recall

In radar meteorology, a hook echo is a hook- or pendant-shaped protrusion on the edge of a supercell thunderstorm's radar reflectivity, formed as the storm's rotating updraft wraps precipitation around the mesocyclone. It is a classic signature associated with tornado formation and the rear-flank downdraft, and forecasters have long read it as a warning sign. The referent is a shape in a radar image and the storm structure it reveals, sharing only the word with a song's hook or a code extension point.[2]

Unit

A hook-shaped reflectivity feature marking a rotating storm

Recovery means

Not applicable

Measured by

Identified in radar reflectivity imagery by its hooked shape and its link to a mesocyclone