Music and chat with Roy and guests.
Swansea's Steve McVeigh explains to Roy why western films are so loved.
Roy talks to Jennifer Nery de Beazley about how her father re-energised rugby in Uruguay.
Roy is joined by Welsh soprano and actor Shan Cothi, who has just finished her new album.
Roy looks ahead to Queen Elizabeth II becoming Britain's longest-reigning monarch.
Roy finds out how Blaenavon Male Voice Choir are ensuring their musical tradition survives
Roy finds out more about the bravery of the merchant sailors on WWII arctic convoys.
Roy finds out about The Welsh at Gallipoli, an exhibition at Porthcawl Museum.
Roy hears about the golden age of steam with Shaun Sewell.
Cardiff astrophysicist Prof Chandra Wickramasinghe discusses the latest images of Pluto.
Music and chat with Roy and guests, plus Choir of the Week All That Malarky.
Roy hears from Professor Iestyn Jones about his career change from actor to archaeologist.
Roy looks ahead to the Welsh Proms with conductor Owain Arwel Hughes.
Roy's guests include John Pikoulis, who discusses the life of World War II poet Alun Lewis
Roy visits the Royal Mint and discovers the link between it and the Battle of Waterloo.
Roy looks ahead to Cardiff Singer of the World with former accompanist Ingrid Surgenor.
Roy's Choir of the Week is the Ebbw Fach from Abertillery.
Roy is joined by Rhondda playwright Frank Vickery and singing coach Angela Durrant.
Roy's special guest is character actor Bernard Cribbins.
Roy hears from the Australian Welsh Male Choir that is heading to Wales.
Roy marks Bing Crosby's birthday by playing some of the Crooner's best-loved songs.
Roy's guests include former royal harpist Claire Jones. Includes Stories from the Stacks.
Roy finds out about the Hand On Music Project in Wales.
Roy chats to Welsh adventurer Lowri Morgan about her latest extraordinary achievements.
Music and chat with Roy and guests. Roy's guest is sports broadcaster John Inverdale.
Music and chat including Stories from the Stacks and Roy's Golden Postbag.
Roy looks ahead to the Cardiff Ukulele Festival at St David's Hall in Cardiff.
Roy is joined by Merthyr-based choir Con Voce. Includes Stories from the Stacks.