Glen Campbell was an American singer, songwriter, television host, and actor. He was one of the most successful country music artists of all time, selling over 45 million records worldwide. He had 12 gold albums and 75 charted singles during his career. He was also a member of the 'Wrecking Crew', a group of session musicians who provided backing vocals and instrumentation on many famous recordings. He is best known for his hits 'Rhinestone Cowboy' and 'Gentle on My Mind'.