Legendary American singer-songwriter Jackson Browne is Roddy's special guest this week.
Vic Galloway goes on a musical backpacker journey around the world in only 20 tracks.
Roddy shines a spotlight on great songwriting, both contemporary and classic.
Vic's BBC Introducing session guests are Deathcats.
Session guests Mungo's Hi Fi bring their reggae soundclash to the show.
Vic's session guest is electro-acoustic troubadour Jonnie Common from Birnam in Perthshire