Easton's Bible Dictionary (1897)
Comforted by God, a Levitical musician (1 Chr. 15:18).
Smith's Bible Dictionary (1863)
(whom Jehovah comforts), one of the Levites appointed by David to perform the musical service before the ark. C. 1014).
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
JAA'ZIEL (whom God consoles), a Levite who played before the ark. 1 Chr 15:18. In 1 Chr 15:20 he is called Aziel.