Extended Strong's Hebrew Lexicon (Brown-Driver-Briggs based)
Jeduthun
Usage: A man of the tribe of Levi living at the time of United Monarchy, first mentioned at 1Ch.6.44; son of: Kishi (H7029); father of: Obed-edom (H5654), Mattithiah (H4993H), Gedaliah (H1436I), Zeri (H6874), Jeshaiah (H3470H), Hashabiah (H2811I), Shemaiah (H8098K) and Uzziel (H5816K); also called Ethan at 1Ch.6.44; 15.17,19;
Also named: e.tan (אֵיתָן "Ethan" H0387J) § Jeduthun = "praising" a Levite of the family of Merari and the chief of one of the 3 choirs of the temple whose descendants also formed one of the perpetual temple choirs; he is named at the beginning of 3 Psalms (Ps 39:1; 62:1; 77: either as the composer or the recipient of those Psalms but most likely as the leader of the choir by which those Psalms were to be sung