The fourth Guru, Guru Ramdas, originally composed Lavan, the wedding song, to celebrate a holy union between the human soul (Atma) and God (Parmatma). The Guru wishes that our married life should also be moulded on the ideal laid down for our union with the Parmatma.

The 4 verses of Lavan explain the four stages of love and married life. The first verse emphasises the performance of duty to the family and the community. The second verse refers to the stage of yearning and love for each other. The third verse refers to the stage of detachment or Virag. The fourth verse refers to the final stage of harmony and union in married life during which human love blends into the love for God.

Lavan is a Sanskrit word literally meaning 'break away', i.e. the bride breaking away from her parents' home. Based on a concept depicted in Lavan, the Sikh marriage is not merely a physical and legal contract but is a sacrament, a holy union between two souls, where physically they appear as two individual bodies but in fact are united as one.