예시 동영상:
도움말: https://github.com/greggman/html5bytebeat/blob/master/README.md#html5-bytebeat
추천곡(?): http://greggman.com/downloads/examples/html5bytebeat/html5bytebeat.html#t=0&e=1&s=32000&bb=5d00000100530000000000000000140cc92408c6acc8f40b709da41e9acbcadfaaaebe923d84ac297ad463f724cbfe4102aa62d576339410a70fa5e98a9b94843c96bb3d6dd0da04915a1aab6a0a88d81419dc0a791882052cb1ff8c79ffec476800
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