Jazz trombonist Chris Barber formed his first band in the late 1940s, but it is the band that he has led from 1954, after parting company with trumpeter Ken Colyer, that has established all kinds of records for success and longevity. The 54 year partnership with trumpeter Pat Halcox is the longest continuous association in jazz history. The Barber band achieved chart success on both sides of the Atlantic, with "Petite Fleur", and from the middle to...