Playing with four mallets is harder, but allows the player to play harmony (chord with four notes).

Nobody has played as much harmony on a trumpet as Dizzy.

They are used almost solely to play harmony and rhythm.

But I can play harmony if required,' he added.

It also showcases the talents of many of his friends, who play or sing harmony on the record.

If he isn't nearly the fast, fluid harmonic improviser that Mr. Garrett is, he plays harmony ably, and he's a truly great free player.

On cue, the instruments followed him, playing harmony.

If the Andrews Sisters were singing in unison, then the background musicians would play harmony.

There was a certain beauty in its triple mental articulation, as there was when three musical instruments played harmony.

White generally opens for her, and then plays and sings harmony during Wheeler's set.