Listen to Person of Interest Theme (From "Person of Interest") (Instrumental Machine Mix) online. Person of Interest Theme (From "Person of Interest") (Instrumental Machine Mix) is an English language song and is sung by Thematic Pianos. Person of Interest Theme (From "Person of Interest") (Instrumental Machine Mix), from the album Visions of Tomorrow - 100 Science Fiction Soundtrack Classics from Movies and Games, was released in the year 2014. The duration of the song is 0:52. Download English songs online from JioSaavn.