NAO is a metal band from Paraguay, South America, composed by Carlos Sam (vocals and guitar), Andy Buss (guitar), Alan Buss (bass) and Fer Sarria (drummer).

Since its beginning have shared stage with renowned and important rock and metal bands from the local scene, in different nightclubs, pubs, and most greatest music festivals all over the country.

Support band of Helloween in 2013, and then, of Death in 2014, in their tours in Paraguay.

Released an EP titled Inner Eye in September 2013, with songs that will be included later in the album Bastards Arrived, released in January 2015.