 They used to record covers of songs from local bands, like Soziedad Alkoholika and international rock bands, such as U2, Janis Joplin, Tool, Pearl Jam and Nirvana, usually with San Martín providing lead vocals.Amaia Montero joined the band subsequently, following an invitation by Benegas.The two met at a dinner party after he heard Montero singing Sinéad O'Connor's "Nothing Compares 2 U".