HOLLYWOOD legend Sir Christopher Lee will release his second heavy metal album on his 91st birthday on Monday.

The Lord Of The Rings star has lent his classically trained bass voice to guest on hard rock songs over the years but the knight of the realm threw himself into symphonic metal with his debut concept album Charlemagne: By The Sword and the Cross in 2010.

His fans were rewarded last December with an EP of Christmas songs called A Heavy Metal Christmas.

He announced a new single, appropriately titled Let Legend Mark Me As The King on his 90th birthday last year and will unveil the new record Charlemagne: The Omens Of Death next week.

"The first Charlemagne album is metal, of course, but what I sang was more symphonic," Sir Christopher said.

"Now, on the second one, The Omens of Death, it is one hundred percent heavy metal. I've done my bits and pieces and they are heavy metal.

"I'm not screaming or anything like that, but it is definitely heavy metal."

Lee's musical concept was inspired by Charlemagne, the first Holy Roman Emperor and an ancestor of the actor on his mother's side.

Judas Priest guitarist Richie Faulkner is among those who helped the nonagenarian release his rock dreams which features songs including The Devil's Advocate and Massacre Of The Saxons.

Other recording artists proving age is no barrier to releasing a new album include Doris Day and Tony Bennett who have both enjoyed chart success in their 80s.

media_camera Part of the cover of Christopher Lee's new heavy metal album, Charlemagne.

Originally published as Master of horror's heavy metal move