Prince to play surprise concert in Baltimore

The legendary musician Prince is planning a "Rally 4 Peace" in Baltimore on Mother's Day.

The concert will promote peace, following several violent protests over the death of Freddie Gray.

Organizers say Prince will join several industry superstars at the Royal Farms Arena on Sunday.

Tickets will go on sale today.

Attendees will be asked to wear grey in memory of Freddie Gray.

Prince has also recorded a new song, inspired by Gray's death.