Complex sentence: He also played a pivotal role among neo-folkloric musicians who established the "Nueva Canción Chilena" (New Chilean Song) movement; this led to an uprising of new sounds in popular music during the administration of Salvador Allende.
Split into simpler sentences: He also played a pivotal role among neo-folkloric musicians who established the "Nueva Canción Chilena" (New Chilean Song) movement. This led to an uprising of new sounds in popular music during the administration of Salvador Allende.