Wikipedia
Kavishari
Kavishari or kavishri is a style of Indian folk music entailing energetic and dynamic a capella singing. It was originated in the Malwa region of Punjab as a sung form of "Chhand-Baddh" kavita (poetry)
A performer or writer of kavishari is known as a kavishar . Kavishari is usually performed in melas, weddings, diwaans (religious functions), harvest celebrations (i.e. Visakhi) and mehfils etc.