The Filipino-American group Kai started in 1992. AC Lorenzo invited Andrew Gapuz and Leo Chan to perform at a San Francisco benefit concert. Following, they began working as a trio and in 1995, added Errol Viray and Lorenzo's cousin Andrey Silva.
The kai symbol (Greek: ; Coptic: ), formed from kappa (Îº) with an extra lower stroke, is sometimes used in Greek and Coptic as an abbreviation for the word ÎºÎ±Î¯, "and". It may occur with the varia above it: .