John Gills Exposition of the Bible Commentary

Verse 4 (Psalms 150:4)

Praise him with the timbrel and dance ,.... Or "pipe" F21 ומחול "et tibia", Tigurine version, Junius & Tremellius, Piscator, Gejerus. ; See Gill on Psalm 149:3 ;

praise him with stringed instruments ; or divers "kinds" F23 במנים "varia symphonia", Cocceius. of instruments not named, as R. Saadiah Gaon; and which, as Aben Ezra says, had all one sound or note; what they were is not known, as also many of them that are particularly mentioned;

and organs ; which have their name from the loveliness of their sound; these are of ancient original and use, Genesis 4:21 ; but were not of the same kind with those now in use, which are of much later invention.

- John Gills Exposition of the Bible Commentary