The Kyle Eastwood Band will be among the 70 acts performing at the week-long event in Scotland, which also features crooner Curtis Stigers and jazz and blues legend Dr John, reported BBC online.
Kyle, who played son to his father's character in "The Outlaw Josey Wales", has composed tracks for Clint's movies.
The actor-director himself is a more than proficient musician, often scoring and performing on soundtracks for the movies he directs.
