With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Good Will Hunting stars Matt Damon.
text_B: The Jazz Piano Book is a tutorial by Mark Levine that aims to summarise the musical theory , including jazz harmony , required by an aspiring jazz pianist .. tutorial. tutorial. Mark Levine. Mark Levine ( musician ). musical theory. musical theory. jazz harmony. jazz harmony. jazz pianist. jazz piano. It was first published in 1989 .. Its target readership appears to be reading musicians who are new to jazz , implicitly classical musicians -- there is very little discussion of physical pianistic technique , and only a very brief summary of musical intervals intended as a refresher .. classical. European classical music. musical intervals. interval ( music ). Another significant omission is any discussion of post-stride solo piano techniques -- it is generally assumed that a bass player will be present to provide a root for the voicings that are discussed .. stride. stride piano. bass. double bass. root. root ( chord ). voicings. voicing ( music ). The book covers a range of topics including left-hand voicings , scales and modes , improvisation , chords and ` comping .. voicings. voicing ( music ). scales. musical scale. modes. mode ( music ). improvisation. improvisation. chords. chord ( music ). comping. comping. Much of the book involves musical theory , as Mark Levine states in the introduction .. Mark Levine. Mark Levine ( musician ). musical theory. musical theory. Jazz standards are cited frequently , often with notated examples , to help to explain a particular topic or idea .. Category  : Jazz books. Category  :1989 books. Category  : Music textbooks
not_related.