A Psalm
mizmowr  (miz-more')
instrumental music; by implication, a poem set to notes -- psalm.

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or Song
shiyr  (sheer)
a song; abstractly, singing -- musical(-ick), sing(-er, -ing), song.

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for the sons
ben  (bane)
a son (as a builder of the family name), in the widest sense (of literal and figurative relationship, including grandson, subject, nation, quality or condition, etc.

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of Korah
Qorach  (ko'rakh)
ice; Korach, the name of two Edomites and three Israelites -- Korah.

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His foundation
ycuwdah,  (yes-oo-daw')
a foundation -- foundation.

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is in the holy
qodesh  (ko'-desh)
a sacred place or thing; rarely abstract, sanctity -- consecrated (thing), dedicated (thing), hallowed (thing), holiness, (most) holy (day, portion, thing), saint, sanctuary.

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mountains
harar  (haw-rawr')
a mountain -- hill, mount(-ain).New American Standard Bible
A Psalm of the sons of Korah. A Song. His foundation is in the holy mountains.

King James Bible
<or Song for the sons of Korah.>> His foundation is in the holy mountains.

Holman Christian Standard Bible
A psalm of the sons of Korah. A song. His foundation is on the holy mountains.

International Standard Version
God's foundation is in the holy mountains.

NET Bible
Written by the Korahites; a psalm, a song. The LORD's city is in the holy hills.

Aramaic Bible in Plain English
His foundations are in his holy mountain!

GOD'S WORD® Translation
[By Korah's descendants; a psalm; a song.] [The city] the LORD has founded [stands]on holy mountains.

King James 2000 Bible
His foundation is in the holy mountains.Psalm 87:1
Psalm 87:1 NIV
Psalm 87:1 NLT
Psalm 87:1 ESV
Psalm 87:1 NASB
Psalm 87:1 KJV