近代24個音樂相關軟硬體發明

http://www.roxyrocker.com/2014/08/04/24-%E5%80%8B%E6%94%B9%E8%AE%8A%E9%9F%B3%E6%A8%82%E7%9A%84%E7%99%BC%E6%98%8E-%E4%B8%8A/