Las 15 Letras performing communista at The Guateque Fest in 1996. El Guateque fue el primer Festival DIY de Rock Latino en EEUU. The completely independent and self-supported annual fest was created, and produced, and led by an all-female committee that thorough the years included Yvonne (Gómez) Drazan, Alma Díaz, Flora Tapia, Lizzy Garibay, Mariluz González, Yamily Escalante among other enterprising women. El Guateque tuvo tres ediciones y contó como sede los predios de la ex-cárcel de Lincoln Heights. Each festival gathered more than a thousand attendees and featured most of the active Rock Angelino bands of the early 1990s such as Las 15 Letras.