Cover came during Toronto leg of Piano and a Microphone tour
Book will be published in autumn 2017
Bidding starts on March 17
Singer also known as Denise Matthews died earlier this week
Like its predecessor, Phase 2 is a Tidal-only release for the time being
Deftones, Marilyn Manson, Motörhead, U2 and Foo Fighters among artists pulling gigs in the wake of the Paris attacks
'Spotlight… Prince Piano & A Microphone' is scheduled to begin later this month
Unique gigs will take place towards the end of November
Musician allegedly confirmed the news during a press conference over the weekend