Which figure of speech is used in this text?
Tear it down, my wife said. Tear it down, my friends said. Tear it down, the neighbors said. But I did not tear it down; I renovated that shed and made it my own personal music studio.

 - apostrophe
 - anaphora
The text uses anaphora, the repetition of the same word or words at the beginning of several phrases or clauses.
The words tear it down are repeated at the beginning of each sentence.