Task: Explanation
Input (English): Sounds of Silence is the second studio album by Simon & Garfunkel, released on January 17, 1966. The album's title is a slight modification of the title of the duo's first major hit, "The Sound of Silence", which originally was released as "The Sounds of Silence". The song had earlier been released in an acoustic version on the album "Wednesday Morning, 3 A.M.", and later on the soundtrack to the movie "The Graduate". Without the knowledge of Paul Simon or Art Garfunkel, electric guitars, bass and drums were overdubbed by Columbia Records staff producer Tom Wilson on June 15, 1965. This new version was released as a single in September 1965, and opens the album. Question: Which member of the duo who wrote "The Sound of Silence" had a musical career that spanned seven decades? Answer: Paul Simon
Output (English):  Without the knowledge of Paul Simon or Art Garfunkel, electric guitars, bass and drums were overdubbed by Columbia Records staff producer Tom Wilson on June 15, 1965.