While seeing Jarrett pull on-the-spot compositions out of a hat can be breathtaking, as his 2010 Disney Hall concert and last year's double-CD Rio" demonstrated, those coming to Jarrett's improvisations for the first time should know the mercurial pianist does not suffer breaks in silence. In admonishing the audience to keep their coughing in check during his previous appearance which, in an odd bit of psychology, seemed to make clearing one's throat that much more vital for someJarrett is legendary for a zero-tolerance policy toward cellphones and other distractions. And heaven have mercy on any poor soul who attempts to snap Jarrett's picture during or after his set.
Though these really aren't difficult conditions to meet, they are demanding ones, and it would be nice if it were easier to separate Jarrett's remarkable art from his often prickly concert demeanor (a fake Twitter account lampooning his outbursts is good for a few laughs). But, of course, it's about the music, and Jarrett's ability to spin beauty out of thin air is an essential, one-of-a-kind experience. Just be prepared to play by the rules