Assertion: rock band's album | /r/CapableOf | establish sound
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Source sentences:
text: Albums such as Visage's Visage (1980), John Foxx's Metamatic (1980), Gary Numan's Telekon (1980), Ultravox's Vienna (1980), The Human League's Dare (1981) and Depeche Mode's Speak and Spell (1981), established a sound that influenced most mainstream pop and rock bands, until it began to fall from popularity in the mid-1980s.