— but when a singer like Aaron Hines takes the stage, everyone has to hit their button!On Tuesday, the San Antonio, Texas, native took the stage to impress the coaches with his cover of Giveon's «Heartbreak Anniversary,» earning one of the season's last four-chair turns.John Legend was the first to hit his button, and was quick to tell Aaron, «I love your voice.»«You just sounded like you knew what you wanted to do with the song,» he added.