"What a feeling" co-composed & produced by 大沢伸一.

According to Shinichi Osawa's Blog:

安室奈美恵／What a feeling／co-compose sound produce

It is confirmed that he co-composed & produced the Vidal Sassoon 80's song called "What a feeling". The song is inspired by the same title song "What a feeling" from the 80's movie 'Flash Dance'. It is the third and the last song collaborated with the VS Campaign.

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