This app will stop working on 3rd April 2017. But you can still listen to BBC iPlayer Radio via your browser by visiting bbc.co.uk/radio
Cerys is joined by Grammy Award-winning Nashville singer Shelby Lynne.
BBC Radio 6 Music
Cerys is joined by Motown star Martha Reeves.
Cerys is joined by Irish folksinger Christy Moore.
BBC 6 Music celebrates Kraftwerk with Wire editor Chris Bohn.