Like a complex musical chord it's got to have a smooth surface but it doesn't matter what's happening underneath.

Rich, complex chords, elaborate phrases recurring, being repeated back and forth, sometimes changing from one statement to the next.

The book "resonates like a complex chord," Patrick McGrath wrote here in 1995.

More importantly, how do songwriters manage to make three chords sound so complex and appealing?

It's a songbird with the most complex vocal chords in the animal kingdom.

So she played a complex chord of mixed emotions - and that didn't work either.

Every wave was a complex chord, with winnowed tones feathering it round.

My pitch awareness was the kind that could not only produce at will any given note but identify complex chords as well.

One composition began with a notated ensemble passage that slowly rotated a single, moody, complex chord.

The tester then plays increasingly complex chords, and the subject must identify the notes or how many notes are being played.