Main Act Artist · Music reference
The glossary that leads back to practice.
Plain-language definitions for the concepts inside voice, songwriting, and repertoire. Learn what a term means, how it works, and the exact practice school that owns it.
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Vocal Range
The span from the lowest to the highest note a singer can comfortably produce, typically measured in octaves or semitones.
Define and applyPassaggio
The transition zone between vocal registers, the few notes where chest voice gives way to head voice and the voice naturally wants to crack or shift.
Define and applyHead Voice vs Chest Voice
The two primary vocal registers: chest voice (low, speech-like, fuller body resonance) and head voice (high, lighter, resonating in the head).
Define and applyVibrato
A small, regular pitch oscillation around a held note that adds warmth and emotion. Natural vibrato is about 5–7 oscillations per second.
Define and applyProsody
The art of aligning lyrics, melody, and rhythm so the music supports what the words are saying, the right syllables stressed, the right phrases lifted.
Define and applyHook
The most memorable phrase, melody, or lyric in a song, the part listeners can't stop singing after one listen.
Define and applyChord Progression
A sequence of chords that supports a melody. A handful of progressions (I-V-vi-IV, I-IV-V, ii-V-I) anchor most popular music.
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