In stanza 32 the phrase sing a concord of our thoughts is best describes as a

These are the choices I found on the internet:

a. family blessing of God's gifts and bounty

b. duet of two voices singing as one in harmony

c. mournful prayer for God's divine guidance

d. confession between sinners

The answer would be letter B - duet of two voices singing as one in harmony. Concord means in a state of agreement, union, or harmony.