Reverb units provide electronic reverberation in an amplifier to produce a sound that is more natural to the human ear.
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The opening minute of the work covers a lot of ground : A staggered choral chord of superimposed open fifths, nearly imperceptible string harmonics, sharply contrasting full orchestral textures, electronic reverberation, spoken text.
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In " The New York Times ", John Pareles described " Gala " as featuring guitars " swathed in electronic reverberation and other effects " and overdubbing, and a retrospective 4-out-of-5 review on AllMusic by Andy Kellman praised Lush's ability " to veer from violent and edgy noise breaks to pop effervescence ".