There are at least two bands under the name "Kudai", a chilean pop group and a spanish industrial/trash metal act.
Kudai is a Chilean pop rock group founded in Santiago, Chile. Its original members were Tomás Cañas, Pablo Holman, Nicole Natalino and Bárbara Sepúlveda. In 2006 Nicole Natalino left the group citing personal reasons, and was replaced by Ecuadorian Gabriela Villalba. The band's name comes from the Mapudungun word küdaw, meaning "work.