It’s been five long years since Scottish folk singer James Yorkston’s last solo album – 2014’s The Cellardyke Recording and Wassailing Society – though he’s certainly not been resting on his laurels in that time. As well as turning novelist and podcaster (spinning esoteric tunes on ‘46-30’), he’s put out two highly acclaimed albums in quick succession with his new trio, Yorkston/Thorne/Khan – a sort of folk-fusion collaboration with his regular double bass player Jon Thorne and Indian sarangi player Suhail Khan (a third album is already recorded and ready for release early next year). All the while, though, he’s…