-Impressions

-Now, here's how it works.

We'll take turns hitting -- -I just -- I'm holding this?

-That's yours. -Okay, all right.

-We're gonna take turns hitting this button here,

which will activate the musical impressions generator.

-Yep. Yep. -Okay, now, it'll land on one

random singer that one of us can do an impression of.

-Gotcha. -And then one random song title.

-And random song title. Okay. -Whoever's turn it is has to do

an impression of that musician singing that song.

-Gotcha. Okay. -Okay, here we go.

Since you're my first guest, why don't you go first?

-I'll go first. Okay, here we go.

All right. Random generator.

-Bob Marley. -Bob Marley.

-"Hush Little Baby." -"Hush Little Baby."

-"Don't Say a Word."

-Okay, yeah. Okay. All right, all right, all right.

-Roots, like, a Bob Marley...?

♪♪

♪♪

-♪ Hush little baby ♪

♪ Don't say a word ♪

♪ Papa's gonna buy you a mockingbird ♪

[ Cheers and applause ]

♪ And if that mockingbird ♪

♪ If it won't sing ♪

♪ Papa's gonna buy you a diamond ring ♪

-Ohh!

[ Cheers and applause ]

-♪ Oh, papa's gonna buy you a diamond ring ♪

♪ Say the word, and papa's gonna buy you a diamond ring ♪

[ Cheers and applause ]

-Oh, my goodness! Oh, my goodness!

No, you don't get -- No.

[ Laughs ]

Oh, gosh. Okay. That was great.

-Oh, wow. That is terrifying.

-My turn. Here we go.

[ Beeping ]

-Dave Matthews.

-"Yankee Doodle." [ Laughter ]

-Dave Matthews type of jam. Type of some --

♪♪

♪ Yankee Doodle went to town ♪

♪ Riding on a pony ♪

♪ Stuck a feather in his hat ♪

♪ And called it macaroni ♪

[ Cheers and applause ]

[ Laughter ]

-That's exactly...

-♪ Called it macaroni ♪ Okay. Here we go.

-♪ Called it macaroni ♪

Oh, my gosh. That's amazing. -Keegan, you're up.

[ Beeping ]

-All right. What do we have here?

REM. -Is that me? You?

-"She'll Be Coming Around the Mountain."

-Can you do REM? -I think.

We'll give it a whirl. All right, all right.

One of us -- Yeah.

-She'll be comin' 'round the mountain when she comes ♪

She'll be comin' 'round the mountain when she comes ♪

♪ She'll be comin' 'round the mountain when she comes

When she comes ♪

-Comes

-♪ She'll be comin' 'round the mountain ♪

♪ She'll be comin' 'round the mountain ♪

She'll be comin' 'round the mountain

She'll be comin' 'round the mountain

She'll be comin' 'round the mountain ♪

She'll be comin' 'round the mountain

She'll be comin' 'round the mountain ♪

She'll be comin' 'round the mountain

She'll be comin' 'round the mountain ♪

She'll be comin' 'round the mountain

♪ She'll be comin' 'round the mountain

She'll be comin' 'round the mountain

-She'll be comin' 'round the mount-a-a-ain

[ Cheers and applause ]

-Fantastic.

-Comin' 'round the mountain

Are there any more words to that song?

-I don't know. No.

Here we go. That was great.

[ Beeping ]

-Bruce Springsteen. Yeah.

-"Bingo." -Like "Bingo was his name-o"?

♪♪

-"Bingo was his name-o."

How you guys doin' out there?! You all right?!

[ Cheers and applause ]

You guys want to go to the farm?!

[ Cheers and applause ]

That's right. Everyone wants to go to the farm.

You know? Heh.

There was a farmer who had a dog

Bingo was his name-o

B-I-N-G-O

-B-I-N-G-O

B-I-N-G-O

-And Bingo was his nay-ay-ay-ame-o

Thank you very much! Good night!

[ Cheers and applause ]

[ Laughter ]

That was fun. I could do this all night.

-This is a blast. -I love you, buddy. All right.

Keegan, last one.

-Here we go. My last one. All right. Here we go.

All right.

[ Beeping ]

Frank Sinatra.

"Itsy Bitsy."

-Frank Sinatra is doing the... -"Itsy Bitsy Spider."

-Okay, all right. -Never heard this.

-Here we go. Here we go. Okay. Watch this.

-The itsy bitsy spider

Came up the waterspout

Down came the rain

And washed that spider out ♪

Out came that crazy sun

Hey, and dried up all that rain

And the itsy bitsy

Kooky ring-a-ding little spider

Climbed up that spout ag-a-a-a-a-ain

-Yes! [ Laughs ]

-Yeah!

Ohh!

Thank you. Thank you.

-Give it up for Keegan-Michael key.

We'll be right back with more of "The Tonight Show," everybody.

Come on back.

-The itsy bitsy spider went up that waterspout

-[ Scatting ]

Scooby doo, that spider. Spider

-Washed the spider out