it is something adele often turns to in her songs. mailman says it is not just that songs are happy or sad but they take us along for the ride. even pharrell s happy. because i m happy happy. is authentic. full range of happy. happy and sad together. like salted caramel, he says. maybe that s why it feels so good. i m david wright for nightline in new york. salted caramel. i like that. the candy you went right to the candy. forgot the whole piece was about. good morning, who wouldn t go for the sugar high. they say music has the power to heal. that soundwaves equal energy waves. that s why it moves you. that s why i have music on constantly around here. got your beats on. always. i need healing. announcer: this is abc s world news now informing