"Tennessee Flat Top Box" is a song written and recorded by American country music singer Johnny Cash. It was released as a single in late 1961, reaching 11 on the Billboard country singles charts and 84 on the pop charts. The song's name refers to a steel stringed acoustic guitar.

Who is the song tennessee flattop box about? Let's have some stream of consciousness first.
To answer the question, consider the following: The song's name refers to a steel stringed acoustic guitar. So, the answer is a steel stringed acoustic guitar.