Graeme Charles Edge was an English musician, songwriter and poet, best known as the co-founder and drummer of the English band the Moody Blues. In addition to his work with the Moody Blues, Edge worked as the bandleader of his own outfit, the Graeme Edge Band. He contributed his talents to a variety of other projects throughout his career. In 2018, Edge was inducted into the Rock and Roll Hall of Fame as a member of the Moody Blues.

In Search of the Lost Chord is the third album by the Moody Blues, released in July 1968 on the Deram label.