From Intellectual Property Run Amok (Clara Jeffrey, ed.):
For including a 60-second piece of silence on their album, the Planets were threatened with a lawsuit by the estate of composer John Cage, which said they’d ripped off his silent work 4’33”. The Planets countered that the estate failed to specify which 60 of the 273 seconds in Cage’s piece had been pilfered.

Fucking HA!