Mark speaks to US folk singer-songwriter Tom Paxton about his new album.
Bob's personal selection of the best country and roots music.
Mark hosts a session from award-winning duo Josienne Clarke and Ben Walker.
Bob hosts a session from Nashville singer-songwriter Hunter Hayes.
Lau perform tracks from their fourth full-length album, The Bell That Never Rang, live.
Scottish singer Emily Smith talks to Mark ahead of her next UK tour.
Bob hosts husband-and-wife duo the Mastersons in session.
Bob Fox performs live, and Mark looks back at the 2015 BBC Radio 2 Folk Awards.
John Cooper Clarke looks back at the life of broadcaster and folk singer Ewan MacColl.