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 Oblivion & Elysium - 50 Great Themes from Science Fiction Movies & Games, was released in the year 2013. The duration of the song is 0:52. Download English songs online from JioSaavn.