Written by Evan "Kidd" Bogart, Andrew Goldstein, Emanuel Kiriakou, and Lindy Robbins,[2] "Classic" was first released on June 20, 2013[3] as the second single from the duo's self-titled debut album.

[4] "Classic" was eventually chosen as the follow-up to the duo's top ten hit, "Thank You" and released as the second single from their debut album in June 2013.

BrentMusicReviews gave it 5/5 stars and called it "MKTO don’t reinvent the wheel, but deliver worthwhile pop music".

Band member Tony Oller elaborates further by saying, "The whole concept is about going back in time and reliving those great classic moments".

In June 2014, the song surpassed the one million mark in digital sales and was subsequently certified Double Platinum by the Recording Industry Association of America (RIAA).