What are the different parts in Selena Quintanilla's music, like the Form, Melody, Musical expression, mood, Rhythm, and Bassline In Selena's music mainly in her Tejano style music?

The three-movement symphony of sorrowful songs features a different text for each movement. its second movement (below) concerns the plight of a young polish prisoner seeking the protection of the queen of heaven. who is the composer of this piece