In addition to "We're Marching to Zion," originally titled "Come We That Love the Lord," Isaac Watts wrote over 800 hymns, including "Joy to the World," "At the Cross," "O God, Our Help in Ages Past," "When I Survey the Wondrous Cross," and "When I Can Read My Title Clear."
Robert Lowry, who added the chorus and wrote the music to "We're Marching to Zion" was also a respected hymn writer. His works include "Nothing But the Blood," "Christ Arose," "Shall We Gather at the River?" and "How Can I Keep from Singing" He also composed the music for many hymns, including many of those by Fanny Crosby.