Proper noun
the Nashville sound
(music) A subgenre of country music that became popular in the 1950s and 1960s, containing elements of popular music and characterized by electronic string sections, background vocals, and orchestras.
The Nashville sound was developed by producers Chet Atkins, Owen Bradley (who worked closely with Patsy Cline ), Sam Phillips and Fred Foster. Source: Internet
This became known as the Nashville sound which Atkins said was a label created by the media attached to a style of recording done during that period to keep country (and their jobs) viable. Source: Internet
To augment the Nashville sound, Orbison requested a string section in the studio. Source: Internet
The task at hand for music producer Mitch Dane was to broaden the listener base by adding more instruments synonymous with the Nashville sound, and vocals of singer/songwriter Ryan Horne-who previously had released eight well received albums. Source: Internet