Final answer:
The word that best describes the tone in this stanza, characterized by the singing of various workers, is 'joyful'.
Step-by-step explanation:
The stanzas provided describe various workers engaging in song while they perform their tasks. The tone conveyed through these descriptions is one of joy and contentment as each individual sings while they work. The references to singing suggest a light-heartedness and pleasure in their activities, which further emphasizes a positive atmosphere. Considering the provided text, the word that best describes the tone in this stanza is joyful. The depiction of the carpenter and mason, and other individuals in the text, all singing during different times of the day signifies a sense of happiness and peace in their daily routines.