What does Hook 1 Mean? Is there more than one version?
Idk, maybe it has smt to do with this?
Quote:
Use in market research
The hooks of songs may be used in market research to assist in gauging the popularity of a song by the recognizability of its hook. Often radio stations conduct "call out" either on the Internet, via telephone, or a music test (either online or in an in-person setting) to conduct surveys. Stations may use the services of a professional "hook service" or prepare the materials themselves. Hooks used are typically 8-12 bars long. Some groups release these research hooks on a single's CD release.