Psalms 39:1
1 I said, I will take heed to my ways, that I sin not with my tongue: I will keep my moutha with a bridle, while the wicked is before me.
Jeduthun
Jeduthun, a Levite, chief singer and instructor. See (1 Chronicles 9:16); (1 Chronicles 16:38); (1 Chronicles 16:41); (1 Chronicles 16:42); (1 Chronicles 25:1); (1 Chronicles 25:3); (1 Chronicles 25:6); (2 Chronicles 5:12); (2 Chronicles 35:15); (Nehemiah 11:17). He is mentioned in Psalms 39, 62, 77. Jeduthun was first called Ethan.