 Vocalists Carmen Moreno from Fresno, Geri Gonzales of East L.A., the Salas brothers of Lincoln Heights, Ramon "Tiguere" Rodriguez from Phoenix, Brambila's brother Raul, and a Los Angeles school choir agreed to participate.Herb Alpert, President of A&M Records, donated studio time and, in January 1977, Brambila assembled the musicians at A&M’s studio in Los Angeles to record the album.In March 1977, the United Farm Workers Union was presented with 5,000 copies of the album.