Psalm 87:7
As well the singers as the players on instruments shall be there: all my springs are in thee.
Cross-references
Psalm 68:25 specifically names singers and musicians in the procession, directly paralleling the 'singers and dancers' here.
Psalm 46:4 speaks of a river making glad the city of God, paralleling the 'springs' that are in Zion as sources of life.
John 4:10 offers living water from Jesus, a New Testament fulfillment of the spiritual springs in Zion.
John 4:14 expands the 'spring' metaphor to eternal life through Jesus, showing the source of living water.
John 7:37-39 identifies the 'springs' as the Holy Spirit, given to believers.
Revelation 14:1-3 shows the Lamb on Mount Zion with harpists singing a new song, a heavenly fulfillment of Zion's joyful worship.
Isaiah 12:3 promises joy from drawing water from salvation's wells, echoing the springs of blessing found in God.
2 Chronicles 7:6 depicts Levites with musical instruments in worship, similar to singers and dancers here.
2 Chronicles 29:26 shows Levites with David's instruments in temple worship, a parallel scene.