This publication provides the definitive musical score for Wolfgang Amadeus Mozart's Trio for Piano, Clarinet, and Viola in E-flat Major, K. 498, commonly known as the 'Kegelstatt Trio'. The edition is curated by Bärenreiter, a publisher recognized for its rigorous scholarly standards in musicology and its commitment to producing Urtext editions that reflect the composer's original intent. By presenting the parts for clarinet, viola, and piano, the text serves as a primary resource for performers seeking an accurate, historically informed interpretation of this late 18th-century chamber work.

Bärenreiter editions are widely regarded in the classical music community as the gold standard for accuracy and editorial integrity. This specific volume is considered an essential reference for performers and musicologists studying Mozart's chamber repertoire.