Actor Daniel Radcliffe raps Alphabet Aerobics' on 'The Tonight Show'– watch it here

Daniel Radcliffe, who stars in the upcoming movie 'Horns,' showed off his rap skills on a recent appearance on 'The Tonight Show' by performing the song 'Alphabet Aerobics' by Blackalicious.

Daniel Radcliffe arrives at the New York premiere of 'Horns.'

Evan Agostini/Invision/AP

October 29, 2014

During his press tour for the upcoming film “Horns,” actor Daniel Radcliffe showed off his rapping skills during an appearance on “The Tonight Show.”

Radcliffe performed the song “Alphabet Aerobics” by Blackalicious on the Oct. 28 episode of “Tonight.”

“Initially I got into Eminem… I think I was the first kid in my class to learn all the words to 'Real Slim Shady,'” Radcliffe told host Jimmy Fallon before Radcliffe’s performance. He said he is a fan of British rapper Plan B. “I've always had an obsession with… memorizing complicated, lyrically intricate and fast songs, I guess.” 

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Fallon brought up “Alphabet” and asked him, “You know how to do that whole song?” 

“I do, yes,” Radcliffe replied.

Fallon handed him a microphone, which was met with cheering from the audience. 

As Radcliffe rapped, Fallon held up signs with the letters of the alphabet behind the actor, hopping up and down as Radcliffe rapped more quickly. Radcliffe got a standing ovation from the crowd. Check out the full video of the performance above.

Radcliffe has showed off his vocal skills before – he played the lead role in a Broadway production of the musical “How to Succeed in Business Without Really Trying” from 2011 to 2012. 

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The “Harry Potter” actor is starring in the upcoming movie “Horns,” which hits theaters on Oct. 31 and is based on the horror novel of the same name by Joe Hill. The actor plays Ignatius Perrish, who is suspected by the residents of his small New Hampshire town of having murdered his girlfriend (Juno Temple). One morning, he wakes up with horns coming out of his forehead and finds that people suddenly want to tell him their secrets.

Speaking about those horns in an interview with The Independent, Radcliffe said, “Joe Hill once said to me that explanation in fantasy is death… The darkness [of the role] is what appealed to me. Ig suddenly becomes aware that everybody has these evil, horrendous thoughts inside them, which he doesn’t want to know, and he ends up… I was about to say that he ends up having sympathy for the devil.”