Question: Which composer also doubled as a pianist aside from being a composer Ludwig van Beethoven and Vincenzo Bellini?
Sentence (from "Johann van Beethoven"): Johann van Beethoven (c. 1739 or 1740 – 18 December 1792) was a German musician, teacher, and singer who sang in the chapel of the Archbishop of Cologne, whose court was at Bonn.
Relevant evidence: No