Mobile KTV( Karaoke) with social context

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Changba is a smart phone app offering users a portable solo KTV booth.

While Changba may not be the only KTV app on the market– others include KTV Hero and K-Daobao –, it is the first to embrace social media. Users can upload their own renditions onto Sina Weibo or Tencent’s Qzone, and even create an accompanying photo slide show showing them in action. Other options include browsing other people’s songs and commenting or sending virtual flowers if the users enjoyed it. This is an exclusive feature that has given budding superstars an opportunity to build a grassroots fan base. In fact, after only a couple of months in operation, Changba has already created a number of in-app celebrities with thousands of fans. Secondly, Changba has a filtering facility including built-in automatic sound mixers and echo effects – a feature described by founder Chen Hua as “Instagram for sound.” For those struggling to hit the high notes (or any notes at all), it gives the voice a tuneful sheen that could make Shane MacGowan sound like Adele. Despite barely any advertising or promotion, the viral phenomenon was the number one free iPhone app in China only five days after its release and had accumulated almost a million downloads in its first twenty days. In February 2011, this app attracted $2 million of funding from BlueRun Ventures.