1 Chronicles 15:21 And Mattithiah and Eliphelehu and Mikneiah and Obed-edom and Jeiel and Azaziah, with corded instruments on the octave, to give the first note of the song. (BBE YLT)
Psalms 6:1 To the Overseer with stringed instruments, on the octave. -- A Psalm of David. O Jehovah, in Thine anger reprove me not, Nor in Thy fury chastise me. (YLT)
Psalms 12:1 To the Overseer, on the octave. -- A Psalm of David. Save, Jehovah, for the saintly hath failed, For the stedfast have ceased From the sons of men: (YLT)