As a crusty old (70) jazzer I often despair at the lack of jazz and good old songs on the radio these days, so when something like this comes along I jump at the chance. I was not disappointed. Diana Krall is a brilliantly talented musician, both vocally and keyboard-wise, supported by very professional accompaniment.
As for the "slow and dreamy" flavour (which many have criticised, I notice) well, that's a personal taste thing, isn't it? It has been my cup of tea for many years and Diana Krall does it perfectly, adding her own inventive signature to every song.