Roddy Hart shines a spotlight on great contemporary and classic songwriting.
Bryan Burnett plays songs by bands with numerical names.
Billy Sloan plays tracks by Rage Against the Machine and Peter Gabriel and Kate Bush.
Jamie MacDougall previews the National Youth Orchestra of Scotland's trip to China.
Bruce MacGregor presents the very best in folk and roots music from around the world.
Ian Muir sits in for Robbie Shepherd and is joined by Anna Massie and Mairearad Green.
Billy Sloan sits in for Edith Bowman with music from Gun, Prides and Kerri Watt.
Cathy Macdonald is joined by motivational speaker Mike Stevenson.
Billy Sloan presents rock and pop music including tracks written by Graham Lyle.
Gary West has a session from Corporal Ben Duncan of the Royal Scots Dragoon Guards.