Béla Albrecht Pál Keler (1820-1882) was a Hungarian composer and conductor, primarily known for his contributions to the romantic music repertoire. His work predominantly falls within the classical and orchestral genres, with a focus on symphonic compositions and operatic works. Keler gained recognition for his orchestral pieces, including the "Hungarian Overture," which reflects the nationalistic themes prevalent in 19th-century Hungarian music. His compositions often incorporated folk elements, showcasing his dedication to Hungarian musical heritage. He is also noted for his operas, such as "Bátori Mária," which explore historical narratives and themes. Although Keler's music was appreciated during his lifetime, his impact on the broader landscape of classical music has been somewhat overshadowed by contemporaries like Franz Liszt and Béla Bartók. Nonetheless, his works contribute to the rich tapestry of Hungarian music and serve as an essential link between folk traditions and classical forms. Keler's emphasis on national identity in music paved the way for future generations of composers exploring similar themes, solidifying his place in the history of Hungarian classical music.