The Backstreet Boys teamed up with Jimmy Fallon and the Roots on Thursday's episode of the Tonight Show, to perform their 1999 single, "I Want it That Way," using classroom instruments.

The mega-group is filmed in a crammed dressing room, all wearing white. They use shakers, wood blocks, triangles, maracas and a ukulele.

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See the full instrument list below:

Brian Littrell - Vocals, Apple Shaker, Wood Block

Nick Carter - Vocals, Tambourine

Kevin Richardson - Vocals, Güiro

AJ McLean - Vocals, Maraca

Howie Dorough - Vocals, Coconuts

Jimmy Fallon - Vocals, Bass Drum, Casio Keyboard, Apple Shaker

Questlove - Hand clappers

Kamal Gray - Xylophone

James Poyser - Melodica

Captain Kirk - Ukulele

Tuba Gooding Jr. - Kazoo, Apple Shaker

Mark Kelley - Kazoo

Stro - Bongos

Black Thought - Triangle