A deeper look at the grooves pressed into the So It Is LP by the Preservation Hall Jazz Band. I must confess that, after having listened to music on a daily basis for three decades (first as a fan, then as a critic and a fan), I have grown cynical and hypercritical to jazz. The reason for that is pretty simple: I believe that jazz was once a cutting edge form which puahsed the possibilities of time, rhythm, meter, intonation,...