the players on instruments = they that dance, as in bringing up the Ark. See note on the subscription.
shall be there. Supply Ellipsis : "[shall say of Zion]".
springs = fountains: i.e. fountains of delight.
A Song, &c. Repeated from the title. Compare Psalm 45 for a similar repetition.
to the chief Musician. See App-64.
upon Mahalath Leannoth = relating to the shoutings with dancings in bringing up the Ark to Zion (2Sa_6:12-15; and 1Ch_15:25-29). As in Jdg_21:21, Jdg_21:23 (compare Revised Version), and see App-65.