Watch Jimmy Fallon and Billy Joel Sing ‘The Lion Sleeps Tonight’ (Video)

The “Tonight Show” host harmonized with the “Piano Man” singer with his iPad

Prepare to have a doo-wop ditty stuck in your head all day long, thanks to Jimmy Fallon and special guest Billy Joel.

The legendary singer-songwriter stopped by the “Tonight Show” on Thursday and was introduced to a vocal-looping app on Fallon’s iPad.

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The late-night host crooned a few riffs in different octaves and created a make-shift a cappella group with the Piano Man.

Joel chimed in with his soulful pipes and soon the entire room was brimming with jungle-like rhythms.

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The Roots added some playful percussion and the audience excitedly clapped along to the performance.

Watch Fallon and Joel’s performance below:

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