Hiro Takayama has composed tunes to many games. His best known work was for his NES game Xexyz. In 1998, he founded AON-DO where people could listen to samples of his latest work and buy them. Hiro also teaches at a college in Japan and writes books on music composing, software, etc. He currently runs his own website and sells his current music on iTunes. Music Composition Hirohiko said for his NES music, "I've written several NES music on the MS-DOS assembly language as HEX code. But before that, composed with the piano and synthesizer."