It is performed at all important functions of Veerashaiva Lingayat household the veeragase artist's are called as puravanta in village side.
The custom of bringing Devagange (Gange taruvud - ಗಂಗೆ ತರುವುದು/Devaru taruvudu - ದೇವರು ತರುವುದು) into homes from nearby water-sources (usually from wells) is a tradition in veerashaivaLingayat household for every important functions held (like Marriage, House-warming, Naming, Lingadhaarana
In vasthu roopa since Sati was Daksha's favourite child; she couldn't refrain from attending her father's greatest of yajnas.
To this, much against Shiva's wishes, Daakshayini went to the yagna uninvited, By then Daksha's favoritism for Sati was perished since she was vaamaangi(left part of the body) of his enemy and he used the situation to insult Mahadeva.
Hearing this news, Mahaarudra Mahakaala Lord Shiva got very angry and started to perform the RudraTandava dance which created turmoil in the world.
In this rage he created Veerabhadra and BhadrakaaLi out of his JaTa (tied hair-matts), who went to Dakshayagna, disrupted it and beheaded Daksha, after defeating Vishnu, Bhaga, Poosha, Adityas...etc.