Hielo Ardiente has been played on NTS shows including La Cosecha Internacional w/ XOLO, with Mensaje first played on 10 December 2019.

Hielo Ardiente, otherwise known as Grupo San Miguel, was a band classic rock band that formed in San Miguel, El Salvador in the year 1967. The band was founded by Guillermo "Willy" Chaves, the band’s lead vocalist and bassist. Hielo Ardiente also comprised of drummer Armando Martínez, Tomás “Chele” Villatoro on keys, guitarist Pablo Chávez, and, in later years, vocalist Julio Paiz.