http://termine.rp-online.de/veranstaltu ... .3080.html
It talks about Leonard's huge success with his album "Old Ideas" and they call him one of the worldwide greatest singer and songwriter of all time

They also quote some other newspapers, for example: (I tried to translate)
the Toronto Sun: "[...] He is still a ladykiller."
the Irish Independent: "What I have seen was inspiring beyond any measure. I have never been touched from a performance in this way. Everything this evening was magical."