Discovery (US CD)

{:etype "release",
 :doc
 {:format-details "CD, Album",
  :format "CD",
  :catalog-number "7243 8 10252 2 4",
  :genres ["Electronic"],
  :title "Discovery (US CD)",
  :released "2001",
  :label {:id "Vr4pS9", :etype "label", :title "Virgin Records"},
  :styles ["House" "Disco"],
  :artists [{:id "Dp9xZ2", :etype "artist", :title "Daft Punk"}],
  :master {:id "Dc6jU2", :etype "master", :title "Discovery"},
  :country "US"},
 :schema
 [:map
  [:title [:string {:default "Release Title"}]]
  [:master
   {:optional true}
   [:map
    [:id :string]
    [:etype [:= :master]]
    [:title :string]
    [:catkey {:optional true} :keyword]]]
  [:artists
   [:vector
    [:map
     [:id :string]
     [:etype [:= :artist]]
     [:title :string]
     [:catkey {:optional true} :keyword]]]]
  [:label
   {:optional true}
   [:map
    [:id :string]
    [:etype [:= :label]]
    [:title :string]
    [:catkey {:optional true} :keyword]]]
  [:catalog-number {:optional true} [:string {:default ""}]]
  [:format [:string {:default "Vinyl"}]]
  [:format-details {:optional true} [:string {:default ""}]]
  [:country {:optional true} [:string {:default ""}]]
  [:released {:optional true} [:string {:default ""}]]
  [:genres {:optional true} [:vector :string]]
  [:styles {:optional true} [:vector :string]]
  [:tracklist
   {:optional true}
   [:vector
    [:map
     [:position :string]
     [:title :string]
     [:duration {:optional true} :string]]]]
  [:barcode {:optional true} [:string {:default ""}]]
  [:notes {:optional true} [:string {:default ""}]]]}