The move comes the same week as new platform Apple Music launches
The song follows on from the musician's recent Baltimore tribute track
The event is alleged to have taken place at the White House on Saturday (June 13)
Singer asked fans to wear grey for special gig in honour of late 25-year-old
The musician wrote the song in response to civil unrest in the US city
The Baltimore Benefit Concert will be streamed live on May 10
Singer previously held a Dance 4 Peace rally at his Paisley Park estate
Fans were asked to wear grey for the Paisley Park event
A release date is yet to be set for the track responding to civil unrest throughout the US city
One message read: 'All I do is use people to get what I want'