In August 1998, Guerra and Julieta Venegas appeared on the cover of Time's Latin American edition and were named "The Most Promising Performers in the Mexican Rock Scene".

In 2005, Guerra received a Latin Grammy nomination for Best Alternative Music Album for Sweet & Sour, Hot y Spicy.

She asked several male musicians to send her a harmonic sequence that she would use as a base to compose the songs for the album.

[9] The same year, Guerra released a version of the popular song "La Llorona" on the album Bimexicano, Nuestros Clásicos Hechos Rock.

In October 2011, she sang the "Himno Nacional Mexicano" in the Pan American Games closing ceremony.

In November 2012 Guerra participated in a tribute to Chavela Vargas with Eugenia León and Tania Libertad.

She was a guest judge on Season 3, Episode 5 of the reality television series Project Runway Latin America, where the goal was to design an outfit for her.

[17] "[She] is an internationally acclaimed artist whose artistic and intellectual interests include literature, film, art and fashion, and who has used them all for positive statements on women's independence and creativity", said Professor Héctor Enrique Calderón Valle, chair of the Department of Spanish and Portuguese, who hosted her in his class.

[19][20] In 2000 Guerra composed the song "Dime cuándo comenzó el dolor" for the Amores perros movie soundtrack.

[21] Guerra was the voice of Grace in the dubbed Mexican version of Disney's movie Home on the Range.

In 2012, Guerra contributed vocals to the main theme of the Mexican animated movie El Santos vs. La Tetona Mendoza.

During the Festival Vive Latino 2006, she had a guest appearance during Kinky's performance of "¿A dónde van los muertos?"