Sounds, melodies and rhythms touch our heart. Brain researchers and physicians unravel the mystery of music and use them even for pain relief. It was the darkest moment of his life, the Eric Clapton processed in one of his most famous songs. He published "Tears in Heaven" a few months after his four-year-old son Conor fell to his death in March 1991 in an accident on the 53rd floor of a New York skyscraper. The caretaker had left open to unobserved for a moment one of the floor to ceiling living room windows to clean, while the child ran around in the skyscraper apartment. Many fans do not know the story probably when they sing along to Clapton's ballad "Would you know my name if I see you in heaven?" They are able to make you happy in different ways often sad songs, people, as recently British scientists researched by the University of Oxford. So how successful musicians and composers, to pack great emotions in music and transport, people can bring out t