Iriondo was joined by Basque musicians such as Mikel Laboa, Josean Arza, Xabier Lete and Benito Lertxundi.

They formed the group Ez Dok Amairu ("There is no 13") in 1965, which was intent on revitalizing Basque culture, which was long dormant or even forbidden under the fascist Francoist regime.

[3] After moving on from the group, Iriondo devoted herself to the development of children's books based on national folklore, such as Martin Arotza Deabrua Jaun eta and Buruntza azpian.

Her stories include "Ortzadarra" (1978) and "Lotara joateko ipuinak" (Erein, 1982) written with Andu Lertxundi and Asun Balzola.

[1] Lourdes Iriondo married the popular Basque singer and writer Xabier Lete while both were members of the singing group Ez Dok Amairu.