Happy Valentine's Day! To celebrate love and rock and roll today I'll tell you all about three couples that made writing love songs to each other A BUSINESS! Starting from the masters, Boudleaux and Felice Bryant who wrote for The Everly Brothers and Buddy Holly, to two couples straight from the celebrated Brill Building, where most of the greatest hits of the 60s came from: meet Barry Mann and Cynthia Weil and Ellie Greenwich and Jeff Berry.