Music experts discuss the legacy of 1970s brother and sister pop duo the Carpenters, who sang such hits as (They Long to Be) Close to You and We've Only Just Begun.

A look at the rise of The Beach Boys, the iconic rock/pop group who rose to stardom with their happy, fun-loving songs that were filled with beautiful harmonies.

Music experts discuss the rise of The Monkees. Though made for a TV show, the group had real-life hits including I'm a Believer and Daydream Believer.