As one of the oldest magazines in the world, the American music weekly Billboard has seen the rise and fall of pretty much every major name of the music industry of the 20th century and beyond. Can you imagine a time where the world is just discovering Marvin Gaye's 'Let's Get It On' or is being introduced to a new boy band from Liverpool called The Beatles? Pretty much impossible right? Well, courtesy of Billboarding Party, a fantastic tumblr feed that features advertisements from the pages of vintage Billboard magazines, we might be a little closer. More at billboardingparty.tumblr.com.