1915 Lester William Polsfuss (June 9, 1915 – August 13, 2009, known as Les Paul, was an American jazz and country guitarist, songwriter and inventor. He was a pioneer in the development of the solid-body electric guitar which "made the sound of rock and roll possible". He is credited with many recording innovations. Although he was certainly not the first to use the technique, his early experiments with overdubbing (also known as sound on sound), delay effects such as tape delay, phasing effects and multitrack recording were among the first to attract widespread attention. Paul met country-western singer Colleen Summers in 1945. They began working together in 1948, at which time she adopted the stage name Mary Ford. They were married in 1949. The couple's hits included "How High the Moon", "Bye Bye Blues", "The World Is Waiting for the Sunrise", and "Vaya con Dios". These songs featured Ford harmonizing with herself.

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Les Paul & Mary Ford - All-Time Greatest HitsLes Paul - Chasing SoundThe Trio's Complete Decca Recordings Plus (1936-47)