Featuring Elliott Smith, Nick Drake, Carly Rae Jepsen and more
The book release will mark the 40th anniversary of the folk artist's death
Lawyers representing the late singer's estate dispute Beverly Martyn's claim she is the legal owner of demo tapes
They are expected to make at least £250,000
The cult songwriter's collaboration with folk singer Beverley Martyn was written just months before his death in 1974
Producer Joe Boyd also to present a tribute gig and live CD
Artists set for London show this Sunday (October 3)
The Emmett Malloy project already has artists such as Jack Johnson and Andrew Bird on board
Arranger had also worked with Elvis Costello and Paul Weller