数字点歌，按照歌曲名称编号进行查询选择歌曲。
Digital song, according to the song name to select a song number for inquiries.
计划：建立一个数字点唱机市场，到酒吧消遣的人可以用自己的手机来控制音响系统。 按点歌数量付费，额外付费的话可以立即播放所点歌曲。
The plan:Create a digital jukebox marketplace where bar-goers can use their phones to control the sound system, paying per play, and paying more to play a song immediately.
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