There were a lot of reservations, Ben-Adir, 37, tells EW over Zoom from his native U.K.

I was completely convinced that theres no point in auditioning for this.

He later quips, My question was if they’d been on a worldwide search and they said yes.

Kingsley Ben-Adir as “Bob Marley” in Bob Marley: One Love

Kingsley Ben-Adir as Bob Marley in ‘Bob Marley: One Love’.Chiabella James/Paramount

And I said maybe they should go on another one.

But the role kept coming back to him.

Not necessarily well all of the time, he notes.

Lashana Lynch as “Rita Marley” and Kingsley Ben-Adir as “Bob Marley” in Bob Marley: One Love

Lashana Lynch and Kingsley Ben-Adir as Rita and Bob Marley in ‘Bob Marley: One Love’.Chiabella James/Paramount

I butchered a lot of people’s ears for many days."

The final cut blends his voice with Marley’s archival recordings.

“Bobs not someone you might choreograph or copy,” Ben-Adir continues.

Director Reinaldo Marcus Green and Lashana Lynch

Director Reinaldo Marcus Green and Lashana Lynch as Rita Marley.Chiabella James/Paramount

It really saved him, and he separated himself from other artists around that time.

It was while filmingGreta GerwigsBarbie, playing one of the many Kens, that his prep began.

I actually set up a Bob station in Barbie Land, he shares.

Kingsley Ben-Adir as “Bob Marley”, Anna-Sharé Blake as “Judy Mowatt”, Lashana Lynch as “Rita Marley”, and Naomi Cowan as “Marcia Griffiths” in Bob Marley: One Love

Kingsley Ben-Adir as Bob Marley in ‘Bob Marley: One Love’.Chiabella James/Paramount

So Id do a take and then run to the Bob station and transcribe.

The overlap was interesting.

Its about knowing what it is youre trying to achieve, he explains.

Kingsley Ben-Adir as “Bob Marley”

Kingsley Ben-Adir as Bob Marley in ‘Bob Marley: One Love’.Chiabella James/Paramount

But if people need to do that to stay in their state of concentration, then fair enough.

Bob Marley: One Loveis in theaters Feb. 14.

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Kingsley Ben-Adir as “Bob Marley” in Bob Marley: One Love

Kingsley Ben-Adir as Bob Marley in ‘Bob Marley: One Love’.Chiabella James/Paramount