Archie Fisher. Stephanie Tristam/Courtesy of the artist hide caption

Tony McManus. Courtesy of the artist hide caption

Martin Hayes & Dennis Cahill. Erin Baiano/Courtesy of the artist hide caption

Julie Fowlis. Courtesy of the artist hide caption

Capercaillie. Courtesy of the artist hide caption

All-Ireland fiddle champion and National Heritage Award winner Liz Carroll. Courtesy of the artist hide caption

Scottish musician Jim Malcolm is featured in this week's Thistle & Shamrock. Genie Dee hide caption

Every year, 4,500 artists and bands from Scotland, Ireland, Wales, the Isle of Man, Cornwall, Asturias, Galicia and Brittany come to Lorient in early August to take part in a music festival. Miguel Medina/AFP/Getty Images hide caption

The Yanks. /Courtesy of the artist hide caption

Hanneke Cassel is featured on this week's show. Courtesy of the artist hide caption