Final answer:
Pink Floyd employed the use of non-traditional sound-makers as one of their avant-garde techniques.
Step-by-step explanation:
Pink Floyd, an influential rock band, utilized several avant-garde techniques in their music. One of these techniques was the use of non-traditional sound-makers. These included everyday objects such as vacuum cleaners, alarm clocks, and cash registers, which were used to create unique and unconventional sounds in their compositions. This allowed Pink Floyd to push the boundaries of traditional music and create a distinct and experimental sound.
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