anchor.diff:  "animals.jpg",Animals,Pink Flyod,1977,LP,New
   "be-yourself-tonight.jpg",Be Yourself Tonight,Eurythmics,1985,LP,Used
   "catch-a-fire.jpg",Catch a Fire,Bob Marley and the Wailers,1973,LP,Used
  -"boston.png",Boston,Boston,1976,LP,Used
  -"west-side-story.jpeg",West Side Story,Bernstein and Sondheim,1957,LP,Used
  +"boston.jpg",Boston,Boston,1976,LP,Used
  +"west-side-story.jpg",West Side Story,Bernstein and Sondheim,1957,LP,Used
   "my-fair-lady.jpg",My Fair Lady,Loewe and Lerner,1956,LP,Used
   "music-man.jpg",The Music Man, Meredith Willson,1957,LP,Used
   "diamond-life.jpg",Diamond Life,Sade,1984,LP,Used
  
positive.code: "i-cut-like-a-buffalo.jpg",I Cut Like a Buffalo,The Dead Weather,2009,45,New
  "fly-by-night.jpg",Fly by Night,Rush,1975,LP,Used
  "fly-farm-blues.jpg",Fly Farm Blues,Jack White,2009,45,New
  "die-by-the-drop.png",Die By The Drop,The Dead Weather,2010,45,New
  "blue-blooded-blues.jpg",Blue Blooded Blues,The Dead Weather,2010,45,New
  "young-and-rich.jpg",Young and Rich,The Tubes,1976,LP,Used
  "angel.jpg",Angel,Ohio Players,1977,LP,Used
  "raw-power.jpg",Raw Power,The Stooges,1973,LP,New
  "made-in-rome.jpg",Made in Rome,Various Artists,1965,LP,Used
  "oliver.jpg",Oliver! (soundtrack),Lionel Bart,1968,LP,Used
  "duty-now-for-the-future.jpeg",Duty Now For The Future,Devo,1979,LP,Used
  "osie-johnsons-all-stars-swingin-sounds.jpg",Osie Johnson's All Stars Swingin' Sounds,Osie Johnson,1955,LP,Used
  "light-as-a-feather.jpg",Light as a Feather,Return to Forever,1973,LP,Used
  "heroes.png",Heroes,David Bowie,1977,LP,New
  "santana.png",Santana,Santana,1969,LP,Used
  "going-to-hell.png",Going To Hell,The Pretty Reckless,2014,LP,New
  "who-is-william-onyeabor.jpg",Who is William Onyeabor?,William Onyeabor,2013,LP,New
  "elwan.jpg",Elwan,Tinariwen,2017,LP,New
  "loveless.jpg",Loveless,My Bloody Valentine,1991,LP,New
  
negative.code: "long-distance-voyager.jpg",Long Distance Voyager,The Moody Blues,1981,LP,Used
  "octave.jpg",Octave,The Moody Blues,1978,LP,Used
  "a-question-of-balance.jpg",A Question of Balance,The Moody Blues,1970,LP,Used
  "mudhoney-live-at-third-man-records.jpg",Live at Third Man Records,Mudhoney,2013,LP,New
  "sea-of-cowards.jpg",Sea of Cowards,The Dead Weather,2010,LP,New
  "brittany-ruby.jpg",I Wonder,Brittany Howard and Ruby Amanfu,2013,45,New
  "what-can-i-do.jpg",What Can I Do?,The Black Belles,2009,45,New
  "my-bubba.jpg",Gone,My Bubba,2017,45,New
  "jack-white-electric-mayhem.jpg",You Are The Sunshine Of My Life,Jack White and The Electric Mayhem,2016,45,New
  "over-and-over-and-over.jpg",Over And Over And Over (Limited Edition),Jack White,2018,45,New
  "connected-by-love.jpg",Connected by Love,Jack White,2018,45,New
  "shes-all-right.jpg",She's All Right,Muddy Waters,1953,45,New
  "and-they-call-me-mad.jpg",And They Call Me Mad?,Conan O'Brien,2010,45,New
  