Gläd dig, du Kristi brud
Music by Jakob Regnart; Swedish lyrics by S. J. Hedorn and J. O. Wallin


This originally Danish(?) hymn, "Fryd dig, du Kristi Brud":

http://www.artbag.dk/LOGO-forlaget/Forlaget-boegh/Salmerne/fryd-dig.html


is described shortly on

http://www.cyberhymnal.org/htm/o/b/obrideoc.htm

where there also is a directly "singable" translation to English ("O Bride of Christ, rejoice").