What is who sang apartment number 9?

"Apartment Number 9" is a country song written by Johnny Russell and recorded by several artists. The most famous version was recorded by Tammy Wynette in 1966, and it became a top-ten hit on the country charts. Other notable versions were recorded by Bobby Austin, George Strait, and Conway Twitty. The song tells the story of a heartbroken person standing outside their former lover's apartment, wishing they could go back in time and fix their relationship. The emotional lyrics and soulful melody have made the song a classic in the country genre.