Complex sentence: The melody for the song was written by Nicanor Abelardo, an alumnus and former faculty member of the U.P. College of Music, and considered to be one of the Philippines' greatest musicians.
Split into simpler sentences: The melody for the song was written by Nicanor Abelardo, an alumnus and former faculty member of the U.P. College of Music. Abelardo is considered to be one of the Philippines' greatest musicians.