Kīrtana is the communal singing of the divine names and of devotional songs. Caitanya made congregational chanting of Kṛṣṇa’s names the heart of his movement, and kīrtana is central to Sikh worship and to many devotional traditions. It is valued as a practice open to all.
Kīrtana
Devotional singing of God’s names and praises, often in call and response.
Also: Kirtan, sankirtana