The Grammar of Sound

Music Cadences for Pop Players

Two chords that end a phrase — or lie. We teach music cadences as punctuation you can hear in an HDB, not four flashcards for Grade 5.

Topaz · October 22, 2026

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1. Four names, one job

  • Perfect / authentic: V–I, the full stop
  • Plagal / Amen: IV–I, the softer close
  • Imperfect / half: ends on V, a comma
  • Interrupted / deceptive: V–vi, the lie

2. Paper versus ears

  • ABRSM Grade 5 theory: perfect, plagal, imperfect in C, G, D, F
  • Trinity writes perfect at 3, plagal at 4, imperfect at 5, all four at 6
  • Trinity aural Grade 5 already names interrupted
  • Leisure track still needs a decided last line

3. 15-minute HDB drill

  • Headphones, 88 keys or guitar, door closed
  • Name only the last two chords out loud
  • Hang on V for a full bar; do not fidget home
  • After 10pm, headphones or stop

4. Studio rule

  • British names in the exam room; ears everywhere
  • American 'imperfect authentic' is still V–I
  • Cadential 6/4 is a job, not a pose
  • $20 trial: bring a song that never lands

Toggle to Detailed Article for the full studio write-up.