並前往https://blog.xuite.net/mhchiu2/twblog/107424891-%E8%B2%9D%E5%A4%9A%E8%8A%AC%EF%BC%88Beethoven%EF%BC%89%E7%AC%AC21%E8%99%9F%E9%8B%BC%E7%90%B4%E5%A5%8F%E9%B3%B4%E6%9B%B2%EF%BC%88Piano+Sonata+No.21%EF%BC%89+Op.53%E3%80%88%E8%8F%AF%E5%BE%B7%E6%96%AF%E5%9D%A6%E3%80%89%EF%BC%88Waldatein%EF%BC%89
