This person is an American country and pop singer who worked with guitarist Duane Eddy during the 1950s?
Some Velvet Morning:  It first appeared on Sinatra's album "Movin' with Nancy," the soundtrack to her 1967 television special of the same name, which also featured a performance of the song. Lee Hazlewood: Barton Lee Hazlewood (July 9, 1929 – August 4, 2007) was an American country and pop singer, songwriter, and record producer, most widely known for his work with guitarist Duane Eddy during the late 1950s and singer Nancy Sinatra in the 1960s.
Lee Hazlewood