The Chamanas is an indie pop fusion band featuring Manuel Calderon on bass, Hector Carreon on guitars, Paulina Reza as the vocalist, and Alejandro Bustillos on drums. This Fronterizo ensemble draws from a rich tapestry of musical influences, blending traditional Mexican folklore, pop, Brazilian Bossa Nova, indie rock, danzón, and other eclectic sounds. Their music serves as a bridge between the United States and Mexico, reflecting the cultural dynamics of the border region between El Paso, Texas, and Ciudad Juarez, Chihuahua.

The band gained notable attention on May 5, 2015, when Portugal. The Man released a Spanish cover of their song "Purple Yellow Red & Blue." In early 2015, The Chamanas signed with independent labels Casete Mexico and Nacional Records, subsequently launching their debut EP titled "Fronterizo." Following this release, they produced three music videos and, in late August 2015, unveiled their first full-length album, "Once Once," which was recorded at the iconic Sonic Ranch studio. "Once Once" earned the award for Best Pop Album at the Independent Music Awards (IMAS) in Mexico. The Chamanas have had the opportunity to open for several prominent bands, including Zoe, Vetusta Morla, Enjambre, Jarabe de Palo, and Nina Diaz. In 2016, they were nominated for Best New Artist at the Latin Grammys.

Throughout their career, The Chamanas have participated in major festivals such as LAMC in New York, Vive Latino in Mexico City, SXSW in Austin, Texas, JRZ Music Fest in Juarez, and ALMAX in Colombia. They have collaborated with notable acts like Portugal. The Man, Beach House, Odesza, Enjambre, and Dave Sytek from TV On The Radio. The deluxe edition of "Once Once" features three new tracks: "Murio La Flor," "Ramas," and "Neblina," which includes a collaboration with Los Angeles Negros.

The band's name embodies the cultural confluence characteristic of the border region; "The" in English combined with "Chamanas," a coined term that reflects the bilingual fluency of the area's inhabitants. The term "Chaman" or "Shaman" denotes a spiritual figure believed to heal through energy and natural medicine, signifying the transformative and therapeutic power of music, which is a core inspiration behind their name.

The Chamanas have released several music videos, including Portugal. The Man's huasteco rendition of "Purple Yellow Red & Blue," "Alas de Hierro," and "Ramas," all directed and produced by Julio Abad and Mundo Lujan at Autumn Leave Films. They also created the video for "Dulce Mal," directed by Paco Ibarra, and a cover of "Te Juro Que Te Amo" by Los Terricolas, filmed entirely using cellphone cameras. Their music has been featured in HBO Latinoamérica's series "Sr. Ávila," which was filmed in Mexico City.