In the Liszt Piano Concerto no. 2 by L'Orchester de Paris with Khatia Buniatishvili as the soloist, they covered the top of that beautiful Steinway although they had public and were recording ... I would think perhaps that it was the solution to deal with some light reflection undesired in the recording but I wonder if there are common reasons to do this, as long as the aesthetics of the piano could be (subjectively speaking maybe) affected.

1 Answer 1


The dust cover is not really a dust cover, but is really a piece of sound absorbing material to control reverbations from the rest of the orchestra. Lots of clever acoustic engineering goes into these concerts.

  • It would be to stop sound reflection rather than reverberation.
    – PiedPiper
    Commented Jun 11, 2020 at 14:36
  • Where were the mikes placed? if outside the cover, then probably the cover also served to balance the amplitude of the piano against the orchestra. Commented Jun 11, 2020 at 15:15

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