A character piece is a piece of solo piano music from the Romantic period that conveys a particular mood or setting

is this true?

Yes, this statement is true. A character piece in the context of solo piano music refers to a composition from the Romantic period that effectively portrays a specific emotion, mood, or scene. These pieces often have descriptive titles and aim to evoke feelings or depict a certain atmosphere through their musical content. Examples of renowned character pieces include Robert Schumann's "Carnaval" and Frédéric Chopin's collection of nocturnes.