Adon Olam

Adon Olam (Lord of the world, or eternal Lord) is a short metrical Hebrew hymn on the eternity, unity and providence of God, sung at the conclusion of the Sabbath and festival morning service and, in many communities, at the opening of the daily morning prayers and as a bedtime prayer. Its verses declare that God reigned before all creation and will reign when all has ended, that he is one without compare, and that the worshipper commits their spirit into his hand in sleep and waking, fearing nothing because God is with them. Of uncertain authorship and medieval date, sometimes attributed to the eleventh-century poet Solomon ibn Gabirol, it has been set to a great many tunes and is among the best-known and most-sung of synagogue hymns. Its combination of an exalted theology of the eternal and singular God with an intimate expression of personal trust has given it an enduring place in both public worship and private devotion across the Jewish world.

Its final stanza, in which the worshipper commits their spirit into God's hand and declares that they will not fear because the Lord is with them, closely echoes the wording of Psalm 31, and this borrowing has led some scholars to see the hymn as a deliberate liturgical elaboration on that verse rather than a wholly independent composition. The sheer number of melodies written for Adon Olam, spanning traditional synagogue chant, folk tunes and even contemporary popular settings, has made it something of a musical showcase within Jewish worship, with some congregations rotating among several tunes across a single year.

Among Jewish liturgical texts, Adon Olam is unusual for the sheer range of melodies congregations set it to, a versatility that follows directly from its simple, regular metrical structure, which scans comfortably against an enormous variety of tunes borrowed from entirely unrelated musical traditions, including melodies adapted from European folk songs and popular tunes, alongside dedicated traditional settings. This adaptability has made it something of a musical wildcard within the fixed liturgy, sung to a different tune from week to week in many congregations specifically because its text tolerates the variation so well, a flexibility most other fixed liturgical texts in the service do not share to nearly the same degree.

Its authorship is considerably less certain than its familiarity suggests. The attribution to Solomon ibn Gabirol, the eleventh century poet and philosopher, is a traditional ascription that modern scholarship has not been able to verify against secure external evidence, and it belongs to a broader pattern in the history of medieval Hebrew liturgical poetry, known as piyyut, where individual compositions are frequently attributed to a known, respected poet on the basis of stylistic resemblance or later tradition rather than documented authorship, since piyyutim were composed prolifically across many centuries by numerous poets whose individual works were not always carefully tracked or signed at the time of composition. Whether ibn Gabirol wrote this specific hymn or whether it was written by another poet and only later associated with his more famous name remains an open question in the scholarly literature on medieval Hebrew liturgical poetry.