If a live performance can be deemed hallowed ground, then Selena Quintanilla at the Houston Astrodome in February 1995, a month before her untimely death, certainly qualifies. From that night, the heartfelt opening verse of her anthem "Como La Flor" sounds like a prayer,

Sundance: Isabel Castro's film is no mere tribute, it is a vibrant argument for Selena's humanity, as well as her status as a legend.

The musician's family executive produces, narrates and provides previously unseen archival footage for director Isabel Castro's affectionate film, premiering at Sundance.

Bookending her film with TV interviews in which Selena talks about her career ambitions and, poignantly, how she would like to be remembered, Castro takes a standard chronological approach. The film charts the Texas-born Selena’s rise from singing at quinceañeras,