PARIS, Sept. 18 -- A French library has found a previously unknown piece of music handwritten by Mozart, a researcher said Thursday. The 18th-century melody sketch is missing the harmony and instrumentation, but was described as an important find. Ulrich Leisinger, head of research at the International Mozarteum Foundation in Salzburg, Austria, said there is no doubt that the single sheet was written by the composer. "This is absolutely new," Leisinger said in a telephone interview. "We have new music here." "His handwriting is absolutely ... (more)