Sidney Hugo Nicholson (1875–1947) was an influential English composer and music educator, primarily known for his contributions to choral and organ music. He is often associated with the early 20th-century British choral tradition, deeply rooted in the Anglican church music scene. Nicholson's style blends traditional hymnody with contemporary harmonic practices of his time, reflecting the transitional nature of British music during the post-Victorian era. Among his notable works are "The Lamentation of Jeremiah" (1923) and various choral anthems, which remain staples in church repertoires. His compositions often emphasize lyrical melodies and rich harmonies, making them accessible yet profound. Nicholson's impact on music extends beyond his compositions; he was also a dedicated educator, serving as a professor at the Royal Academy of Music and influencing generations of musicians. His efforts in promoting choral music and fostering new talent helped shape the landscape of British classical music in the mid-20th century. His legacy continues through the performance of his works and the ongoing influence of his teaching methods in music education.