What Happened to the Pop Duo?
Hall and Oates. Marvin Gaye and Tammi Terrell. Sonny & Cher. Simon & Garfunkel. Pop duos used to be popular and successful. What’s changed?
Hall and Oates. Marvin Gaye and Tammi Terrell. Sonny & Cher. Simon & Garfunkel. Pop duos used to be popular and successful. What’s changed?