What does 1 Chronicles 25:3 mean?

From Jeduthun’s family: Gedaliah, Zeri, Jeshaiah, Shimei, Hashabiah, and Mattithiah. They were led by Jeduthun, who played the lyre and led songs of thanks and praise to God. 1 Chronicles 25:3 - Modern Text Bible

(Jeduthun’s family is listed, with their leader and their special role in leading worship and giving thanks.)