The doors are almost open for this year's edition of the Cheltenham Jazz Festival  which runs from 2 to 7 May at venues around the picturesque Cotswold Spa town With the full programme now confirmed  the line-up will see Los Angeles sax star Kamasi Washington play the final date of his UK tour  following his shows at Roundhouse  London (2 May)  Albert Hall  Manchester (4 May)  Queen Margaret Union  Glasgow (5 May)