It's hard to put into words the impact of the perfect lyric, melody or contagious beat that moves you in an unexpected way. Authors, composers and artists have tried - and here we've rounded up our favorite quotes that help to begin forming structure around such an unspoken universal force. Which are most meaningful to you? If you had to sum up the power of music and sound in one sentence, what would you say?"A painter paints pictures on canvas. But musicians paint their pictures on silence."