The Greatest Duets of All Time

Spring may be far from in the air, but with Valentine's Day just around the corner, I'm taking a look at the greatest oldies romantic duets of the 50s, 60s, and 70s... not just the obvious pledges of love and devotion (although they're here, too), but also funny, sad, tragic, and otherwise unconventional duets that symbolize the perils of love as well as the joys. Check out the greatest oldies duets list here.