SAT Question 74446089: Text Structure And Purpose answer and explanation

English - Text Structure And Purpose - Function Of Specific Sentence
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For his 1986 album Keyboard Fantasies, Beverly Glenn-Copeland wrote songs grounded in traditional soul and folk music, then accompanied them with futuristic synthesizer arrangements featuring ambient sounds and complex rhythms. The result was so strange, so unprecedented, that the album attracted little attention when first released. In recent years, however, a younger generation of musicians has embraced the stylistic experimentation of Keyboard Fantasies. Alternative R&B musicians Blood Orange and Moses Sumney, among other contemporary recording artists, cite the album as an influence.
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Difficulty:Medium
Which choice best describes the function of the underlined sentence in the text as a whole?