Records, Random Facts, Daily Facts, InterestingCuriousOneFebruary 16, 2014Verified, staycurious, fact, musical, piece, funny, years, lasts, Slow, Pencil, possible, facts "As slow as possible" musical piece lasts 640 years. Records, Random Facts, Daily Facts, InterestingCuriousOneFebruary 16, 2014Verified, staycurious, fact, musical, piece, funny, years, lasts, Slow, Pencil, possible, facts
