(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.

An acoustic mirror.

plural of sound mirror

plural of sound post

(UK, informal) wholesome; reliable; in good condition

(sound, headphones) the property of blocking off outside sound through use of materials that reduce sound transmission from the exterior environment into the interior environment

Perfectly sound.

plural of sound engineer

(informal, phonetics) Synonym of dental fricative

plural of sound stage