Great loss often inspires great art: Lou Reed and John Cale’s Warhol tribute ‘Songs For Drella’, or Rufus Wainwright’s eulogy to his mother ‘All Days Are Night: Songs For Lulu’…

Sufjan Stevens really likes Christmas. The Michigan maestro’s obsession with all things Yuletide has now spawned 100-odd songs and two collections, the last of which – 2006’s ‘Songs For Christmas’,…