Final answer:
The track 'Revolution 9' on a Beatles album can be described as experimental and chaotic.
Step-by-step explanation:
The subject of the question is Music. The question is asking about the track 'Revolution 9' on a Beatles album, and the student wants to know the most appropriate words to describe it. The correct answer is option a) Experimental, Chaos.
'Revolution 9' is a highly experimental track from The Beatles' White Album released in 1968. It consists of various sound effects, tape loops, and vocal samples mixed together to create a chaotic and surreal atmosphere. The intention behind the track was to push the boundaries of traditional song structures and explore new artistic possibilities.