There are at least six artists with this name: a funk group from the 70s, a Swedish black metal band, an unsigned American MC, a Polish black metal band, an Italian thrash metal band, a dark ambient/electronic band. 1. A very popular funk group of the '70s. They mixed soul, jazz, blues, reggae, Latin and rock influences in their music. They had a very recognizable sound, due to their mix of harmonica, horns, guitar, bass, percussion, and vocals. War was initially formed in 1969 from a band called Nightshift to jam while Eric Burdon free-associated lyrics.