Manuela Testolini worked with musician on his Love 4 One Another charity as he encouraged her to form her own
Jay Z-backed companies allege singer's estate illegally shopped artist's songs to competing streaming services
'Prince: R U Listening?' will feature artist's friends and peers, including Billy Idol, Lenny Kravitz, Sheila E. and Dez Dickerson
N.W.A's 'Straight Outta Compton,' Prince's 'Sign 'O' the Times' among 25 recordings recognized as "part of our musical, social and cultural history"
Prince-affiliated acts like the Revolution, Morris Day & The Time, New Power Generation set to play Celebration 2017
Track recorded during '1999' sessions appears on new collection, 'Prince 4ever'
NPG Records claims Jay Z's streaming service does not have exclusive rights to musician's digital catalog
Jay Z's Tidal asks Minnesota court to enforce exclusivity deal Prince allegedly made with streaming service
R&B singer also marvels at collaborating with Daft Punk on 'Starboy': "Their studio is like a spaceship; there's a lot of gear"
"No matter where his concert tours took him or how high his fame carried him, Prince was steadfastly devoted to Chanhassen," proclamation reads
Jack White, Erykah Badu, 'South Park,' 'Star Wars' also prepping exclusive vinyl releases
Chanhassen City Council signs rezoning request after temporary delay
"Moonbeam Levels," never-released track from '1999' sessions, is on icon's first posthumous release
Supposed niece, grandniece trace relation to late musician through half-brother
Five-hour all-star concert also featured Jessie J., Tori Kelly, Bilal, more