From Wikipedia:
Hine(y) ma tov u’manayim
Shevet akh-im gam ya-khadTranslated, the hymn means, "How good and pleasant it is when brothers dwell together in unity."[edit]OriginsThe hymn is Syrian in origin.[1] It is inspired by Psalm 133, which reads, "Behold, how good and how pleasant it is for brethren to dwell together in unity!"[2] Traditionally, the hymn would be accompanied by Arabic instruments such as the oud, kanun, and ney.