King Charles has launched a personal music playlist called "The King's Music Room" in partnership with Apple Music.
The Royal Family first teased the project on Wednesday evening with a cryptic social media post showing a vintage "ON AIR" sign.
The playlist features music from Commonwealth countries, including tracks by Bob Marley, Kylie Minogue and Grace Jones.
His Majesty was photographed at Buckingham Palace for the music project, with an "on air" sign on the desk of the royal DJ.
King Charles has launched a personal music playlist called "The King's Music Room" in partnership with Apple Music.
PA
A video trailer shows the band for the changing of the guard outside the palace playing Bob Marley's "Could You Be Loved".
"So this is what I particularly wanted to share - songs which have brought me joy," the King said.
The full choice of tracks will include contributions from Nigerian-American singer-songwriter Davido and British singer-songwriter Raye.
The King saw Raye perform at a Christmas market at the former Battersea Power Station, where Apple has its London headquarters.
The playlist will reflect the King's musical interests throughout his life.
The King saw Raye perform at a Christmas market at the former Battersea Power Station, where Apple has its London headquarters.
PA
His Majesty has a longstanding interest in Bob Marley and has visited the singer's former home in Jamaica, which has been turned into a museum.
"Throughout my life, music has meant a great deal to me," the King says in the video launching the project.
"I know that is also the case for so many others."
His Majesty explained music's unique power to evoke memories.
"It has that remarkable ability to bring happy memories flooding back from the deepest recesses of our memory, to comfort us in times of sadness, and to take us to distant places."
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The King emphasised music's uplifting qualities.
"But perhaps, above all, it can lift our spirits to such a degree, and all the more so when it brings us together in celebration."
"In other words, it brings us joy."
The full choice of tracks, with more royal commentary, will be published on Monday, for Commonwealth Day.
The King is also expected to share anecdotes about some of the artists and reveal why the songs help form the soundtrack to his life.
PA
This represents a different approach to Commonwealth Day, which traditionally sees the Royal Family gathering for a service in Westminster Abbey.
"This seemed such an interesting and innovative way to celebrate this year's Commonwealth Day," the King said.
The King is also expected to share anecdotes about some of the artists and reveal why the songs help form the soundtrack to his life.
Outside Buckingham Palace, the band played Marley's message: "Don't let them change ya, oh! Or even rearrange ya! Oh, no!"
The project aims to showcase the King's lifelong appreciation of music from across the Commonwealth.
