Henry Thomas Smart (1813-1879) was an English composer and organist, recognized primarily for his contributions to sacred music and hymnody. His genre primarily encompassed classical and liturgical music. One of his most notable works is the hymn tune "Regent Square," which is widely used in Christian worship and is often associated with the text "Stand Up, Stand Up for Jesus." Smart's music is characterized by its lyrical melodies and rich harmonies, making it accessible for congregations and choirs. He served as an organist at various churches, including St. Peter's Church in London, where he honed his skill in composing music suited for worship services. Smart's impact on music is significant in the realm of hymn composition, as he bridged the gap between classical composition and congregational singing. His works continue to be performed in churches today, reflecting the enduring legacy of his contributions to hymnody and the broader landscape of 19th-century English music. Through his work, he helped shape the sound of church music in his time and influenced future generations of hymn writers and composers.