Nigun (pl. nigunim, (ניגון) is a Hebrew term meaning “humming tune.” Usually, the term refers to religious songs and tunes that are sung by groups. It is a form of voice instrumental music, often without any lyrics or words, although sounds like “bim-bim-bam” or “Ai-ai-ai!” are often used. Sometimes, Bible verses or quotes from other classical Jewish texts are sung repetitively in the form of a nigun. Nigunim are largely improvisations, though they could be based on thematic passage and are stylized in form. Nigunim are also sung as a Jewish prayer in the form of a lament. Other nigunim may be joyous or victorious. Niggunim are especially central to Jewish worship in Hasidic Judaism, which evolved its own structured, soulful forms to reflect mystical dveikut and joy. Hasidic niggunim captu