“Kansas Smitty’s is a live-music bar in Hackney, east London. It’s also the name of the seven-piece band that runs the place and calls it home, a band that doesn’t sound remotely like any of its contemporaries. It plays a knowing, at times slightly wry, patchwork of jazz styles from the past, filtered through 21st-century ears and sensibility. Neither pastiche nor parody, it’s refreshing and often ”