After recording an ode to Baltimore, Prince announces a Mother's Day rally and concert there.

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Concertgoers are invited to wear something gray

Tickets go on sale Wednesday

CNN  — 

First there was the song, then the concert.

Days after recording a protest song in the aftermath of the Freddie Gray protests, Prince has announced a Mother’s Day Rally 4 Peace concert in Baltimore. The show will take place at Royal Farms Arena.

“In a spirit of healing, the event is meant to be a catalyst for pause and reflection following the outpouring of violence that has gripped Baltimore and areas throughout the U.S.,” organizers said.

Tickets go on sale Wednesday.

Baltimore Prince concert Freddie Gray

“As a symbolic message of our shared humanity and love for one another, attendees are invited to wear something gray in tribute to all those recently lost in the violence,” organizers said.

Moved by the unrest in Baltimore, singer-songwriter Prince has recorded a song critical of the killing of young African-American men, a publicist for the artist said Thursday.

It is a tribute to the people of Baltimore but will also address political and social issues throughout the country.

Prince’s Paisley Park Studios has not yet announced a release date.

Prince released two new albums last year for a career total of 34.

CNN’s Steve Forrest and Ben Brumfield contributed to this report