On Australia's morning program \"The Today Show,\" Buble described how impactful Noah's fight against the disease was.

\"What we went through was the worst possible thing that you could hear as a parent, and as maybe a human being,\" he said. \"I much rather it'd been me. I wished... many times I wished that it had been.\"

With the return of his son's good health, Buble is now back to work. He goes back to his roots and embraces his signature vocal style in his new album \"Love,\" which is out Friday.

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