What is a hook in songwriting?

A hook in songwriting refers to a catchy, memorable phrase or riff that is designed to grab the listener’s attention and make the song memorable. Hooks are often the most recognizable part of a song, frequently appearing in the chorus and serving as a key element that stays in the listener's mind long after the song is over. They can be melodic lines, rhythmic patterns, or lyrical phrases that encapsulate the essence of the song. By utilizing a strong hook, songwriters enhance the appeal of their music, making it more likely for listeners to remember and share the song.

The other options refer to different musical concepts; a musical scale is a sequence of notes, a genre categorizes music, and a vocal warm-up technique prepares singers’ voices for performance. While these elements are important in music, they do not define what a hook is within the context of songwriting.