Hymnology is the study of hymns, which are religious songs or poems typically used in worship. This field examines the history, structure, and themes of hymns, as well as their cultural and theological significance. Hymnologists analyze how hymns reflect the beliefs and practices of different faith communities, including Christianity, Judaism, and Islam. The discipline also explores the contributions of notable hymn writers, such as Isaac Watts and Fanny J. Crosby, and the evolution of hymn styles over time. Hymnology can provide insights into the role of music in spiritual expression and community identity within various religious traditions.