"You are no more responsible for the actions of an insane coward who committed an evil act in your proximity."
The incident is being treated as a terror attack "until police know otherwise".
The popular singer is using his own experiences to inspire young Kiwis through his work with Youthline.
His wife today disputed "inferences" that the rocker killed himself in a Detroit hotel room.
Reports have emerged that rocker Chris Cornell seemed to be not "mentally present" during his final show.
In the Soundgarden/Led Zeppelin mashup, Cornell sang about dying and being taken into heaven. He was found dead in his hotel room after the show.
The Kiwi singer says she's grateful to be able to see sounds in colours and textures, but it can be overwhelming.
The music megastar says he "really, really, likes New Zealand" and shows off Maori necklace he never takes off.