Complex sentence: Roberto Sierra's Missa Latina (Pro Pace) is the most extensive and important composition in Classical Music from a Puerto Rican composer to be conducted by a SATB Chorus, two Soloists (one Baritone and one Soprano), and a Symphonic Orchestra.
Split into simpler sentences: Roberto Sierra's Missa Latina (Pro Pace) is the most extensive and important composition in Classical Music from a Puerto Rican composer. The work was written for SATB Chorus, two Soloists (one Baritone and one Soprano), and a Symphonic Orchestra.