William Tans'ur (c. 1700–1773) was an English composer and music publisher primarily associated with the sacred choral music genre. He is best known for his contributions to the development of hymnody during the 18th century, particularly within the dissenting traditions of the time. Tans'ur's notable works include collections such as "The New Sacred Music" and "The Sacred Melodies of the Church," which featured original compositions and arrangements of existing hymns. Tans’ur was a key figure in the early choral movement and is recognized for his role in popularizing congregational singing among Nonconformists. His compositions often incorporated lively melodies and accessible harmonies, making them suitable for congregational participation. His work had a lasting impact on the hymn-writing tradition in England, influencing future generations of hymn writers and composers. Tans’ur's emphasis on congregational engagement in worship helped to shape the musical landscape of Protestant worship services in the 18th century and beyond, contributing to the broader evolution of choral music within the church.