From volume 1 of the work.

1503665A Dictionary of Music and Musicians — CassationGeorge Grove


CASSATION, perhaps implying 'farewell,' designates a piece of instrumental music of the last century, for the open air, in several movements, much like the Serenade or Divertimento. In Köchel's Mozart Catalogue there are three, Nos. 62, 63, 99, the two last of 7 movements each.

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