Alianza (Spanish: Alliance) was an Argentine hard rock band, with former members of Rata Blanca.
Alianza was created by the singer Adrián Barilari and the keyboard player Hugo Bistolfi, along with session musicians.
Barilari and Bistolfi left Rata Blanca, rejecting the style shift initiated in El Libro Oculto, with more aggressive heavy metal.
Rata Blanca lost popularity without Barilari, and broke up.
This concert led to a reunion of Rata Blanca, with Barilari and Bistolfi, and the subsequent breakup of Alianza.