Complex sentence: Its style is a unique form of free-form instrumental psychedelic rock, and its instrumentation ranges from conventional instruments--like guitar, organ, and cello--to found sounds like broken glass and burning parchment.
Split into simpler sentences: Its style is a unique form of free-form instrumental psychedelic rock. Instrumentation ranges from conventional instruments like guitar, organ, and cello to found sounds like broken glass and burning parchment.