Henry Rowley Bishop (1786-1855) was an English composer and conductor, primarily associated with the genres of opera and popular song. Born in London, Bishop is best known for his work in the early 19th century, particularly for his contributions to the development of English opera. One of his most notable works is the opera "The Bohemian Girl" (1843), which features the famous aria "I Dreamt I Dwelt in Marble Halls." This piece has remained popular and is frequently performed by sopranos. Bishop also composed a variety of songs, with many achieving significant popularity during his lifetime. Bishop's impact on music is marked by his efforts to integrate English themes and narratives into opera, which helped pave the way for future English composers. He was a prominent figure in the London musical scene and served as the musical director at various theaters, including the Lyceum Theatre. His work contributed to the popularization of operatic performance in England, influencing subsequent generations of composers. Bishop's legacy is reflected in the continued performance of his compositions and the evolution of English musical theatre.