(Photos) The renowned playback singer Sonu Nigam has packed a deal with HMV to release his first semi-classical album. Sonu says that it will be the first time that any artist from the mainstream artist is releasing a classical album. Sonu has achieved great success as a commercial singer in the past few years. Sonu always had a desire to do something in the area of classical music. And here it is. He launched his album at Grand Hyattt on 11th Jan 2008. Many distinguished guests arrived who play in the same field such as Kumar Sanu, Pandit Shiv Kumar Sharma, Suresh Wadkar, Anu Nigam, Aditya Narayan etc