Marc Ribot

It had become a fan favorite at Sleep Theory live shows.

Sleep Theory have a thing for turn-of-the-century boy bands, we’ve known this since the band started posting vids of themselves harmonizing Backstreet Boys songs. Today (June 18th), they’re bringing their *NSYNC stanning into the limelight with a rock-heavy revamp of that group’s “Bye Bye Bye.” The new cover is a reasonably faithful take on the chart-smashing No Strings Attached single, though Sleep Theory surge triplet-chugged and double-kicked metal moments into the pop song. Vocalist Cullen Moore shares the mic with his bandmates as they adopt the *NSYNC harmonic dynamic. Moore, naturally, takes the lead as the Justin Timberlake stand-in, while bassist Paolo Vergara hits the mic like JC Chasez. A press release further describes their “Bye Bye Bye” as “a sharp showcase for a band with a knack for turning nostalgia into something fresh. Ain’t no lie, that’d be Sleep Theory’s full-blown *NSYNC cover in the pop-and-lockin performance video up above. Sleep Theory continue supporting last year’s Afterglow album with a series of fest appearances, plus a few headlines shows. You’ll find their North American show info below, and their overseas dates over here. Sleep Theory North American tour dates 2026:7/18 Mansfield, OH – Inkcarceration7/19 Tinley Park, IL – Summer of ’99 and Beyond fest7/28 Kansas City, MO The Truman7/30 Green Bay, WI Epic Event Center8/1 Omaha, NE Admiral Theater8/2 Springfield, MO The Regency Live8/21 Montreal, QC Warped Tour8/22 El Reno, OK KATTFEST9/12-13 Mexico City, MEX Warped Tour9/20 Louisville, KY Louder Than Life10/4 Sacramento, CA Aftershock10/17 Nashville, TN Ceremony Festival10/24 Fort Worth, TX Sick New World .

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Memphis, Tennessee hard rockers SLEEP THEORY have released their cover version of "Bye Bye Bye", the 2000 pop classic from the boy band *NSYNC. SLEEP THEORY's version is a fan favorite and a staple of the band's live set. Their reimagining always has heads nodding and bodies dancing at their shows —...