Glen Dee Hardin is an American piano player and arranger. He has performed and recorded with such artists as Roy Orbison, Elvis Presley, Emmylou Harris, John Denver, and Ricky Nelson.

Emmylou Harris is an American singer, songwriter, musician, bandleader, and activist. A highly regarded figure in contemporary music, she is known for having a consistent artistic direction. Harris is considered one of the leading music artists behind the country rock genre in the 1970s and the Americana genre in the 1990s. Her music united both country and rock audiences in live performance settings. Her characteristic voice, musical style and songwriting have been acclaimed by critics and fellow recording artists.