The instruments emits only one sound, and its one note mixes with a song or group of instruments in a rhythmic manner.

The instruments emit a swish blue glow after dusk.

In music, a bow is moved across some part of a musical instrument, causing vibration which the instrument emits as sound.

The bow rubbing the string causes vibration which the instrument emits as sound.

Each musical instrument emits many frequencies when it plays a certain note, that is a certain pitch.

And even though the amplifiers are absent, each instrument emits a tone when plucked.

The instrument can emit frequencies lower than 20 Hz.

Conscious that the instruments emitted electromagnetic waves that could lead to the pod's detection, he shut them off.

The instrument emitted a harsh buzzing and projected Ynvic's round face onto the air in front of them.

The instrument emitted a low buzz.