Madhavi1990 wrote:
Hi! Can any one explain what the issue is with B?
Working with musician Stevie Wonder as a musical adviser, Ray Kurzweil developed what is now the preferred medium for creating nearly all music for today’s commercial albums, films, and television: a computer-based instrument capable of reproducing musical sounds of a quality once thought to be possible only on grand pianos and other acoustic instruments.
a) reproducing musical sounds of a quality once thought to be -'sounds of a quality'- is 'of'correct here with quality?
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