The following link takes you to the PDF file that discusses the hymn. This is a quick read, and can be very helpful for second language speakers.
Hymn – 003 Now Let Us Rejoice
This hymn commentary is a help prepared for those who might find it interesting to read an explanation of the text of some of our beloved hymns. The text for this hymn came from lds.org. Specifically, it came from this list of hymns.
How many hymns finally end up in this series will depend on whether this is something you find useful. Please leave a comment below and let me know what you think.