Trumpeter Wynton Marsalis says his wife Nicola Benedetti 'made me a better composer' as he opens EIF

As he prepares to open the Edinburgh International Festival with All Rise, a 12-movement jazz symphony, the acclaimed trumpeter and composer talks about collaboration and hope, his connection to Scotland, not least through his wife, violinist and EIF director Nicola Benedetti, and the fun of working with 200 musicians and singers for the Usher Hall concert