A ludicrous descent from the elevated to the low, in writing or speech; anticlimax.

overstatement, excessive emotion, or anticlimax that stresses loss, sentiment, or tragedy to the point of creating humor or melodrama.

insincere pathos

triteness or triviality of style

Bathos is the first full-length album by the Finnish avant garde metal band Aarni. It was released on November 17, 2004, through Firedoom Music, the sub-label of Firebox Records.http://aarni.info/works.html Official Online Dwelling It was recorded, mixed, and produced by Aarni. This album contains tracks with very distinct styles, including funeral doom metal, folk metal, and avant garde metal.

a change from a serious subject to a disappointing one

anti-climax, designed to shock or amuse. e.g. " The Queen stepped graciously out of her gleaming limousine, walked up the red carpet in suitably regal style--then gave a huge yawn, bored with the day's proceedings." (The reader has been built up to expect one type of serious, ceremonial atmosphere but this anticipation is deflated with reference to the yawn.)