At their inaugural performance at Brooklyn, N.Y.'s Barclays Center on Friday, Sept. 7, Fall Out Boy invited both the RamonesMarky Ramone and Gym Class Heroes' Travie McCoy to perform as special guests. 

Ramone, the longest-running drummer and best-known surviving member of the seminal punk act, performed on the group's classics “I Wanna Be Sedated” and “Blitzkrieg Bop,” while Fall Out Boy drummer Andy Hurley took over guitar duty for singer Patrick Stump.

Below, check out a video of the performance, from YouTube user rochman92:

Later, during an acoustic in the round portion of the band's set, Travie McCoy showed up to perform “Billionaire,” the best-known single from the rapper's 2010 solo debut, Lazarus. Interestingly, McCoy and FOB opted not to perform “Cupid's Chokehold” or “Clothes Off!!,” two Gym Class Heroes singles on which Stump is featured.

Check out a video of the “Billionare” performance:

Fall Out Boy, who appear on the cover of our latest issue, #303, are in the midst of an arena tour of North America to support their latest album, Save Rock And Roll., with Panic! At The Disco and twenty | one | pilots. Here are the remaining dates:

Sept 10 – Patriot Center – Fairfax, VA ^
Sept 11 – Wolstein Center – Cleveland, OH ^
Sept 14 – Palace of Auburn Hills – Auburn Hills, MI ^
Sept 15 – Echo Beach at Molson Canadian Amphitheatre – Toronto, ON ^
Sept 18 – First Bank Center – Broomfield, CO ^
Sept 20 – Honda Center – Anaheim, CA ^
Sept 21 – America's Cup Pavilion – San Francisco, CA ^
Sept 22 – Valley View Casino Center – San Diego, CA ^
Sept 25 – Cynthia Woods Mitchell Pavilion – The Woodlands, TX ^
Sept 26 – Verizon Theatre at Grand Prairie – Grand Prairie, TX ^
Sept 27 – Mud Island Amphitheater – Memphis, TN ^
Sept 28 – Verizon Wireless Amphitheatre at Encore – Alpharetta, GA ^
Sept 29 – USF Sun Dome – Tampa, FL ^
Oct 22 – Adelaide Entertainment Centre – Adelaide #
Oct 25 – Sydney Entertainment Centre – Sydney #
Oct 26 – Festival Hall – Melbourne #
Oct 27 – Brisbane Convention Centre – Brisbane #

^ with Panic! At The Disco, twenty | one | pilots
# with British India