The cornerstone of Scotland's cultural calendar will feature some of biggest names in folk, roots, world, traditional, indie, blues and jazz.

Earlier, Vicente Amigo, the Spanish flamenco guitarist, gave fans a sneak preview of his show tonight in a performance with the rest of his band outside the hall.

Donald Shaw, artistic director, said: "Many artists performing over the next 18 days have been involved in the festival for a number of years but there is also an array of fresh new talent being showcased." Picture: Marc Turner