Watch AC/DC Open the 2015 Grammy Awards

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For the 2015 Grammy Awards, the Recording Academy threw a bone to its older viewers: AC/DC opened the show this year to the delight of everyone’s parents; meanwhile, millennials everywhere thought to themselves, “Oh, I know that song from Guitar Hero!”

Watch the band perform up top.

Grammys 2015: Red Carpet Photos

57th GRAMMY Awards - Arrivals
Taylor Swift attends the 57th Annual Grammy Awards at the Staples Center on Feb. 8, 2015 in Los Angeles, Calif.Jason Merritt—Getty Images
57th GRAMMY Awards - Arrivals
Lady Gaga attends the 57th Annual Grammy Awards at the Staples Center on Feb. 8, 2015 in Los Angeles, Calif.Jason Merritt—Getty Images
The 57th Annual GRAMMY Awards - Red Carpet
Kim Kardashian and Kanye West attend the 57th Annual Grammy Awards at the Staples Center on Feb. 8, 2015 in Los Angeles, Calif.Lester Cohen—WireImage/Getty Images
57th GRAMMY Awards - Arrivals
Beyonce attends the 57th Annual Grammy Awards at the Staples Center on Feb. 8, 2015 in Los Angeles, Calif.Jason Merritt—Getty Images
The 57th Annual GRAMMY Awards - Red Carpet
Rihanna attends the 57th Annual Grammy Awards at the Staples Center on Feb. 8, 2015 in Los Angeles, Calif.Larry Busacca—Getty Images
57th GRAMMY Awards - Arrivals
Katy Perry attends the 57th Annual Grammy Awards at the Staples Center on Feb. 8, 2015 in Los Angeles, Calif.Jason Merritt—Getty Images
57th GRAMMY Awards - Arrivals
Rita Ora attends the 57th Annual Grammy Awards at the Staples Center on Feb. 8, 2015 in Los Angeles, Calif.Jason Merritt—Getty Images
57th GRAMMY Awards - Arrivals
John Mayer attends the 57th Annual Grammy Awards at the Staples Center on Feb. 8, 2015 in Los Angeles, Calif.Jason Merritt—Getty Images
The 57th Annual GRAMMY Awards - Red Carpet
Sia attends the 57th Annual Grammy Awards at the Staples Center on Feb. 8, 2015 in Los Angeles, Calif.Kevin Mazur—WireImage
57th GRAMMY Awards - Arrivals
Gwen Stefani attends the 57th Annual Grammy Awards at the Staples Center on Feb. 8, 2015 in Los Angeles, Calif.Jason Merritt—Getty Images
57th GRAMMY Awards - Arrivals
Madonna attends the 57th Annual Grammy Awards at the Staples Center on Feb. 8, 2015 in Los Angeles, Calif.Jason Merritt—Getty Images
The 57th Annual GRAMMY Awards - Red Carpet
Ed Sheeran attends the 57th annual GRAMMY Awards at the STAPLES Center on February 8, 2015 in Los Angeles, California.Lester Cohen—WireImage/Getty Images
The 57th Annual GRAMMY Awards - Red Carpet
Meghan Trainor attends the 57th Annual Grammy Awards at the Staples Center on Feb. 8, 2015 in Los Angeles, Calif.Larry Busacca—Getty Images
The 57th Annual GRAMMY Awards - Arrivals
Ariana Grande attends the 57th Annual Grammy Awards at the Staples Center on Feb. 8, 2015 in Los Angeles, Calif.Steve Granitz—WireImage/Getty Images
The 57th Annual GRAMMY Awards - Arrivals
Nick Jonas attends attends the 57th Annual Grammy Awards at the Staples Center on Feb. 8, 2015 in Los Angeles, Calif.Steve Granitz—WireImage/Getty Images
The 57th Annual GRAMMY Awards - Arrivals
Kat Graham attends the 57th Annual Grammy Awards at the Staples Center on Feb. 8, 2015 in Los Angeles, Calif.Steve Granitz—WireImage/Getty Images
The 57th Annual GRAMMY Awards - Red Carpet
Anna Kendrick attends the 57th Annual Grammy Awards at the Staples Center on Feb. 8, 2015 in Los Angeles, Calif.Larry Busacca—Getty Images
The 57th Annual GRAMMY Awards - Red Carpet
Iggy Azalea attends the 57th Annual Grammy Awards at the Staples Center on Feb. 8, 2015 in Los Angeles, Calif.Larry Busacca—Getty Images
The 57th Annual GRAMMY Awards - Red Carpet
Pharrell Williams attends the 57th Annual Grammy Awards at the Staples Center on Feb. 8, 2015 in Los Angeles.Jeff Vespa—WireImage/Getty Images
The 57th Annual GRAMMY Awards - Red Carpet
Charli XCX attends the 57th Annual Grammy Awards at the Staples Center on Feb. 8, 2015 in Los Angeles, Calif.Jeff Vespa—WireImage/Getty Images

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