1
What is a hook?
The most memorable, repeatable element of a song. Can be melodic (catchy tune), rhythmic (beat pattern), lyrical (catchy phrase), or sonic (distinctive sound/production). Most hits combine 2-3 hook types.
2
What are the four functional categories of hook?
Lyric hook (the title or repeated phrase, "Hey Ya"), melodic hook (a sticky melodic fragment, often wordless, the "na na nas" of "Hey Jude"), rhythmic hook (a groove or pattern that's instantly recognizable, the four-on-the-floor with handclaps in "Mr. Brightside"), production hook (a sonic signature, the synth riff in "Take On Me", the guitar tone of "Smoke on the Water"). Most hits stack two or three of these. Counting hooks in a song you love teaches you what your own choruses are missing.
3
Where in the chorus should the hook land, and why does placement matter?
Four placements: first-line hook (immediate impact, "Shake It Off"), last-line hook (built-to payoff, "Someone Like You"), bookend hook (first AND last line, "Hello"), and entire-chorus hook (the title hammers nearly every line, like the "umbrella... ella, ella" hook section of Rihanna's "Umbrella"). First-line is for energy and TikTok-era discovery, last-line is for emotional resolution, bookend for maximum saturation, entire-chorus for anthems. Pick placement based on whether the chorus is delivering energy or delivering catharsis.
4
What is hook density and what's the sweet spot?
Hook density = how often the title and primary lyric hook repeat across the full song. Modern pop sweet spot: 6-10 title repetitions across 3 minutes. Under 3 = forgettable. Over 12 = grating (unless the song is built around the repetition, like "Umbrella" or "Smoke on the Water"). Density varies by genre, country tolerates fewer repetitions because storytelling carries the verses; EDM tolerates more because the drop needs hammering home. Count the title in any hit you love; the number will surprise you.
5
Where should the title sit in a chorus, and how often?
Three workable architectures: title-at-front (hits immediately, "Shake It Off"), title-at-end (the line resolves into it, "Someone Like You"), title-as-bookend (opens AND closes the chorus, "Hello"). Repeat the title 3-5 times across the song minimum; pop typically lands it 6-10 times. Under 3 = forgettable. Over 12 = obnoxious. Statements feel resolved; questions feel forward-leaning ("Who'll Stop the Rain", "Where Have All the Flowers Gone").
6
What is the Nashville "hook book"?
A notebook where professional songwriters collect potential song titles, phrases, and hooks throughout daily life. Nashville co-writing sessions often start by throwing titles back and forth from hook books.
7
What is a melodic preview?
Max Martin's technique of planting fragments of the chorus melody inside the verse. This creates subconscious familiarity, making the chorus feel inevitable when it arrives.
8
What is a "production hook"?
A distinctive sound or effect that becomes as memorable as the melody. The synth riff in "Jump" (Van Halen), the whistle in "Moves Like Jagger." Production hooks are the sonic equivalent of lyrical hooks.
9
What is the 50-second rule?
The chorus should arrive within the first 50 seconds of a modern pop song. Streaming-era listeners skip aggressively in the first 30 seconds if nothing hooks them, so anything resembling a long intro is structurally risky.
These are knowledge cards from the Songwriting deck. In the daily plan each one comes back as a quiz, spaced over weeks, so it stays known rather than read once.