Watch Daniel Radcliffe Flawlessly Rap Blackalicious' 'Alphabet Aerobics'

Jimmy Fallon challenged him and he accepted it.

When Daniel Radcliffe visited US chat show 'The Tonight Show Starring Jimmy Fallon,' he revealed obsession with memorising lyrically complicated songs and claimed he was the first person in his class to learn all the lyrics to Eminem's 'Slim Shady.'

After such a statement the 'Harry Potter' star obviously had to prove himself, so Fallon asked him to perform Blackalicious' lyric-heavy song 'Alphabet Aerobics.'

Watch what happened above. 

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