Bob presents UK bluegrass band Flats and Sharps performing at Proms in the Park.
Mark presents an hour of the best folk and acoustic music, from Britain and beyond.
Leo Green focusses on lyricist, actor, singer and record company supremo Johnny Mercer.
Bob hosts a session from Ashley Monroe with Striking Matches.
Mark hosts a live session from Scottish Gaelic group Daimh.
Bob presents the best in country and roots music.
Mark presents an hour of the best folk and acoustic music from Britain and beyond.
Texan singer-songwriter Andrew Combs joins Bob in a session from Nashville.
Scottish singer and broadcaster Archie Fisher tells Mark about his new album A Silent Song
John Cooper Clarke looks back at the life of broadcaster and folk singer Ewan MacColl.