John Gills Exposition of the Bible Commentary - Psalms 92:3
Upon an instrument of ten strings ,.... An harp of ten strings, as the Targum. The harp invented by Terpander had only seven strings F3 Suidas in voce τερπανδρος . Plin. Nat. Hist. l. 7. c. 56. ; according to Pliny F4 Ibid. ; Simonides added the eighth, and Timotheus the ninth; but this of David was of ten strings: and upon the psaltery ; of which See Gill on Psalm 33:2 , "upon the harp with a solemn sound"; or "upon higgaon with the harp"; which "higgaon", Aben Ezra... read more
Matthew Henry's Complete Commentary - Psalms 92:1-6
This psalm was appointed to be sung, at least it usually was sung, in the house of the sanctuary on the sabbath day, that day of rest, which was an instituted memorial of the work of creation, of God's rest from that work, and the continuance of it in his providence; for the Father worketh hitherto. Note, 1. The sabbath day must be a day, not only of holy rest, but of holy work, and the rest is in order to the work. 2. The proper work of the sabbath is praising God; every sabbath day must be a... read more