Their voices may quaver but these people sing as though their lives depend on it.
From the thenewstribune.com
Even years after the fact, their voices still quaver with bittersweet emotion.
From the orlandosentinel.com
Perhaps that's how he wanted it, but even his quaver isn't good enough to carry a 71-min.
From the time.com
And yet there's a quaver in her voice that on several occasions threatens to bring tears.
From the guardian.co.uk
He's got that special quaver in his voice, uses it effectively at the start as he strolls out.
From the newsday.com
Judge Parker's voice, usually calm and assured, began to quaver.
From the time.com
Finally, he folded his pages and extemporized, in an elder's quaver, lines long since committed to memory.
From the washingtonpost.com
It starts with a quaver in the Ohio Republican's voice.
From the sacbee.com
The semiquaver is half of a quaver which is an eighth note.
From the en.wikipedia.org
More examples
A tremulous sound
Give off unsteady sounds, alternating in amplitude or frequency
Eighth note: a musical note having the time value of an eighth of a whole note
Warble: sing or play with trills, alternating with the half note above or below
Quavers are a British snack, originally made by Smiths, and now produced by Walkers. Walkers purchased the Quavers brand in 1997.
A trembling shake; a trembling of the voice, as in speaking or singing; an eighth note, drawn as a crotchet (quarter note) with a tail; to shake in a trembling manner; to use the voice in a trembling manner, as in speaking or singing
A note lasting for half a beat. In 4/4 time a quaver is an eighth-note.
1) To play with a trill, 2) an eighth note (old usage but still current in Britain).