This verse mentions the sons of Jeduthun, who were responsible for prophesying with the lyre in the temple worship service. Jeduthun was one of King David's skilled musicians appointed by the king to lead worship. The mention of prophesying with music highlights the importance of music in worship and how it can be used to convey God's messages and bring glory to His name. This verse showcases the organization and dedication of the Levites in their roles within the temple, emphasizing the significance of music in praising and honoring God.